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Finding the Fourth Proportional to 8,243.38, 11,391.39 and 6,250.24

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Solution

The fourth proportional to 8,243.38, 11,391.39 and 6,250.24 is: 8,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.38 : 11,391.39 = 6,250.24 : x
  2. Step 2: Convert to fraction form
    8,243.38/11,391.39 = 6,250.24/x
  3. Step 3: Cross multiply
    8,243.38x = 11,391.39 × 6,250.24
  4. Step 4: Simplify right side
    8,243.38x = 71,198,833.23
  5. Step 5: Solve for x
    x = 71,198,833.23/8,243.38
  6. Step 6: Final answer
    x = 8,637.10

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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.