Finding the Fourth Proportional to 8,277.11, 11,414.84 and 6,157.95
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Solution
The fourth proportional to 8,277.11, 11,414.84 and 6,157.95 is: 8,492.34
Step by Step Solution
- Step 1: Write the proportion equation
8,277.11 : 11,414.84 = 6,157.95 : x - Step 2: Convert to fraction form
8,277.11/11,414.84 = 6,157.95/x - Step 3: Cross multiply
8,277.11x = 11,414.84 × 6,157.95 - Step 4: Simplify right side
8,277.11x = 70,292,008.53 - Step 5: Solve for x
x = 70,292,008.53/8,277.11 - Step 6: Final answer
x = 8,492.34
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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.