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Finding the Fourth Proportional to 8,875.97, 12,249.47 and 5,099.75

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Solution

The fourth proportional to 8,875.97, 12,249.47 and 5,099.75 is: 7,038.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.97 : 12,249.47 = 5,099.75 : x
  2. Step 2: Convert to fraction form
    8,875.97/12,249.47 = 5,099.75/x
  3. Step 3: Cross multiply
    8,875.97x = 12,249.47 × 5,099.75
  4. Step 4: Simplify right side
    8,875.97x = 62,469,234.63
  5. Step 5: Solve for x
    x = 62,469,234.63/8,875.97
  6. Step 6: Final answer
    x = 7,038.02

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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.