Home / 8,251.41-11,391.32-6,358.85

Finding the Fourth Proportional to 8,251.41, 11,391.32 and 6,358.85

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Solution

The fourth proportional to 8,251.41, 11,391.32 and 6,358.85 is: 8,778.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.41 : 11,391.32 = 6,358.85 : x
  2. Step 2: Convert to fraction form
    8,251.41/11,391.32 = 6,358.85/x
  3. Step 3: Cross multiply
    8,251.41x = 11,391.32 × 6,358.85
  4. Step 4: Simplify right side
    8,251.41x = 72,435,654.12
  5. Step 5: Solve for x
    x = 72,435,654.12/8,251.41
  6. Step 6: Final answer
    x = 8,778.58

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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.