Home / 5,387.46-7,433.97-3,149.70

Finding the Fourth Proportional to 5,387.46, 7,433.97 and 3,149.70

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Solution

The fourth proportional to 5,387.46, 7,433.97 and 3,149.70 is: 4,346.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.46 : 7,433.97 = 3,149.70 : x
  2. Step 2: Convert to fraction form
    5,387.46/7,433.97 = 3,149.70/x
  3. Step 3: Cross multiply
    5,387.46x = 7,433.97 × 3,149.70
  4. Step 4: Simplify right side
    5,387.46x = 23,414,775.31
  5. Step 5: Solve for x
    x = 23,414,775.31/5,387.46
  6. Step 6: Final answer
    x = 4,346.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.