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Finding the Fourth Proportional to 8,092.62, 12,131.10 and 2,542.08

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Solution

The fourth proportional to 8,092.62, 12,131.10 and 2,542.08 is: 3,810.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,092.62 : 12,131.10 = 2,542.08 : x
  2. Step 2: Convert to fraction form
    8,092.62/12,131.10 = 2,542.08/x
  3. Step 3: Cross multiply
    8,092.62x = 12,131.10 × 2,542.08
  4. Step 4: Simplify right side
    8,092.62x = 30,838,226.69
  5. Step 5: Solve for x
    x = 30,838,226.69/8,092.62
  6. Step 6: Final answer
    x = 3,810.66

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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.