Home / 8,092.40-12,139.48-2,545.94

Finding the Fourth Proportional to 8,092.40, 12,139.48 and 2,545.94

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Solution

The fourth proportional to 8,092.40, 12,139.48 and 2,545.94 is: 3,819.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,092.40 : 12,139.48 = 2,545.94 : x
  2. Step 2: Convert to fraction form
    8,092.40/12,139.48 = 2,545.94/x
  3. Step 3: Cross multiply
    8,092.40x = 12,139.48 × 2,545.94
  4. Step 4: Simplify right side
    8,092.40x = 30,906,387.71
  5. Step 5: Solve for x
    x = 30,906,387.71/8,092.40
  6. Step 6: Final answer
    x = 3,819.19

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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.