Home / 5,545.40-8,318.10-2,767.92

Finding the Fourth Proportional to 5,545.40, 8,318.10 and 2,767.92

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Solution

The fourth proportional to 5,545.40, 8,318.10 and 2,767.92 is: 4,151.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.40 : 8,318.10 = 2,767.92 : x
  2. Step 2: Convert to fraction form
    5,545.40/8,318.10 = 2,767.92/x
  3. Step 3: Cross multiply
    5,545.40x = 8,318.10 × 2,767.92
  4. Step 4: Simplify right side
    5,545.40x = 23,023,835.35
  5. Step 5: Solve for x
    x = 23,023,835.35/5,545.40
  6. Step 6: Final answer
    x = 4,151.88

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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.