Home / 5,838.38-8,752.10-2,139.62

Finding the Fourth Proportional to 5,838.38, 8,752.10 and 2,139.62

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Solution

The fourth proportional to 5,838.38, 8,752.10 and 2,139.62 is: 3,207.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,838.38 : 8,752.10 = 2,139.62 : x
  2. Step 2: Convert to fraction form
    5,838.38/8,752.10 = 2,139.62/x
  3. Step 3: Cross multiply
    5,838.38x = 8,752.10 × 2,139.62
  4. Step 4: Simplify right side
    5,838.38x = 18,726,125.78
  5. Step 5: Solve for x
    x = 18,726,125.78/5,838.38
  6. Step 6: Final answer
    x = 3,207.42

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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.