Home / 5,149.56-7,724.39-3,372.12

Finding the Fourth Proportional to 5,149.56, 7,724.39 and 3,372.12

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Solution

The fourth proportional to 5,149.56, 7,724.39 and 3,372.12 is: 5,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.56 : 7,724.39 = 3,372.12 : x
  2. Step 2: Convert to fraction form
    5,149.56/7,724.39 = 3,372.12/x
  3. Step 3: Cross multiply
    5,149.56x = 7,724.39 × 3,372.12
  4. Step 4: Simplify right side
    5,149.56x = 26,047,553.15
  5. Step 5: Solve for x
    x = 26,047,553.15/5,149.56
  6. Step 6: Final answer
    x = 5,058.21

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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.