Home / 4,318.38-6,478.10-1,545.35

Finding the Fourth Proportional to 4,318.38, 6,478.10 and 1,545.35

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Solution

The fourth proportional to 4,318.38, 6,478.10 and 1,545.35 is: 2,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.38 : 6,478.10 = 1,545.35 : x
  2. Step 2: Convert to fraction form
    4,318.38/6,478.10 = 1,545.35/x
  3. Step 3: Cross multiply
    4,318.38x = 6,478.10 × 1,545.35
  4. Step 4: Simplify right side
    4,318.38x = 10,010,891.72
  5. Step 5: Solve for x
    x = 10,010,891.72/4,318.38
  6. Step 6: Final answer
    x = 2,318.21

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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.