Finding the Fourth Proportional to 7,374.68, 10,184.27 and 6,306.26
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Solution
The fourth proportional to 7,374.68, 10,184.27 and 6,306.26 is: 8,708.80
Step by Step Solution
- Step 1: Write the proportion equation
7,374.68 : 10,184.27 = 6,306.26 : x - Step 2: Convert to fraction form
7,374.68/10,184.27 = 6,306.26/x - Step 3: Cross multiply
7,374.68x = 10,184.27 × 6,306.26 - Step 4: Simplify right side
7,374.68x = 64,224,572.08 - Step 5: Solve for x
x = 64,224,572.08/7,374.68 - Step 6: Final answer
x = 8,708.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.