Finding the Fourth Proportional to 7,471.08, 11,207.14 and 2,206.02
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Solution
The fourth proportional to 7,471.08, 11,207.14 and 2,206.02 is: 3,309.18
Step by Step Solution
- Step 1: Write the proportion equation
7,471.08 : 11,207.14 = 2,206.02 : x - Step 2: Convert to fraction form
7,471.08/11,207.14 = 2,206.02/x - Step 3: Cross multiply
7,471.08x = 11,207.14 × 2,206.02 - Step 4: Simplify right side
7,471.08x = 24,723,174.98 - Step 5: Solve for x
x = 24,723,174.98/7,471.08 - Step 6: Final answer
x = 3,309.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.