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Finding the Fourth Proportional to 8,833.92, 12,190.88 and 4,854.92

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Solution

The fourth proportional to 8,833.92, 12,190.88 and 4,854.92 is: 6,699.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,833.92 : 12,190.88 = 4,854.92 : x
  2. Step 2: Convert to fraction form
    8,833.92/12,190.88 = 4,854.92/x
  3. Step 3: Cross multiply
    8,833.92x = 12,190.88 × 4,854.92
  4. Step 4: Simplify right side
    8,833.92x = 59,185,747.13
  5. Step 5: Solve for x
    x = 59,185,747.13/8,833.92
  6. Step 6: Final answer
    x = 6,699.83

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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.