Proportion Calculator

Worked example result
Missing value6.00
Completed proportion2/4 = 3/6

2/4 = 3/x gives x = (4 × 3) ÷ 2 = 6. Check it: both sides equal 0.5, so the proportion 2/4 = 3/6 is true.

a/b = c/d, solved by cross-multiplication: the missing value makes a × d = b × c · Powered by CalcHub — Proportion Calculator