Finding the Fourth Proportional to 7,451.79, 11,174.08 and 4,332.70
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Solution
The fourth proportional to 7,451.79, 11,174.08 and 4,332.70 is: 6,496.95
Step by Step Solution
- Step 1: Write the proportion equation
7,451.79 : 11,174.08 = 4,332.70 : x - Step 2: Convert to fraction form
7,451.79/11,174.08 = 4,332.70/x - Step 3: Cross multiply
7,451.79x = 11,174.08 × 4,332.70 - Step 4: Simplify right side
7,451.79x = 48,413,936.42 - Step 5: Solve for x
x = 48,413,936.42/7,451.79 - Step 6: Final answer
x = 6,496.95
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1.5x scale
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.