Home / 4,260.38-6,391.36-1,337.90

Finding the Fourth Proportional to 4,260.38, 6,391.36 and 1,337.90

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Solution

The fourth proportional to 4,260.38, 6,391.36 and 1,337.90 is: 2,007.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.38 : 6,391.36 = 1,337.90 : x
  2. Step 2: Convert to fraction form
    4,260.38/6,391.36 = 1,337.90/x
  3. Step 3: Cross multiply
    4,260.38x = 6,391.36 × 1,337.90
  4. Step 4: Simplify right side
    4,260.38x = 8,551,000.54
  5. Step 5: Solve for x
    x = 8,551,000.54/4,260.38
  6. Step 6: Final answer
    x = 2,007.10

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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.