Home / 5,140.62-7,693.17-3,165.48

Finding the Fourth Proportional to 5,140.62, 7,693.17 and 3,165.48

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Solution

The fourth proportional to 5,140.62, 7,693.17 and 3,165.48 is: 4,737.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.62 : 7,693.17 = 3,165.48 : x
  2. Step 2: Convert to fraction form
    5,140.62/7,693.17 = 3,165.48/x
  3. Step 3: Cross multiply
    5,140.62x = 7,693.17 × 3,165.48
  4. Step 4: Simplify right side
    5,140.62x = 24,352,575.77
  5. Step 5: Solve for x
    x = 24,352,575.77/5,140.62
  6. Step 6: Final answer
    x = 4,737.28

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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.