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Finding the Fourth Proportional to 8,882.89, 12,249.88 and 6,863.09

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Solution

The fourth proportional to 8,882.89, 12,249.88 and 6,863.09 is: 9,464.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.89 : 12,249.88 = 6,863.09 : x
  2. Step 2: Convert to fraction form
    8,882.89/12,249.88 = 6,863.09/x
  3. Step 3: Cross multiply
    8,882.89x = 12,249.88 × 6,863.09
  4. Step 4: Simplify right side
    8,882.89x = 84,071,950.52
  5. Step 5: Solve for x
    x = 84,071,950.52/8,882.89
  6. Step 6: Final answer
    x = 9,464.48

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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.