Terms of a Proportion - Definition and Examples

What are the terms of a proportion? A proportion can be written in a couple of ways as shown below.

  • a / b = c / d
  • a:b = c:d

The four terms of a proportion are the terms a, b, c, and d. 

More examples showing what the terms of a proportion are


4 / 5 = 12 / 20

The terms of the proportion are 4, 5, 12, and 20.


e / f = g / h

The terms of the proportion are e, f, g, and h.


x / y = x2 / y2

The terms of the proportion are x, y, x2 and y2.

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