Home / 4,318.87-6,478.30-1,545.71

Finding the Fourth Proportional to 4,318.87, 6,478.30 and 1,545.71

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Solution

The fourth proportional to 4,318.87, 6,478.30 and 1,545.71 is: 2,318.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.87 : 6,478.30 = 1,545.71 : x
  2. Step 2: Convert to fraction form
    4,318.87/6,478.30 = 1,545.71/x
  3. Step 3: Cross multiply
    4,318.87x = 6,478.30 × 1,545.71
  4. Step 4: Simplify right side
    4,318.87x = 10,013,565.20
  5. Step 5: Solve for x
    x = 10,013,565.20/4,318.87
  6. Step 6: Final answer
    x = 2,318.56

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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.