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Finding the Fourth Proportional to 8,874.50, 12,246.78 and 5,097.90

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Solution

The fourth proportional to 8,874.50, 12,246.78 and 5,097.90 is: 7,035.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.50 : 12,246.78 = 5,097.90 : x
  2. Step 2: Convert to fraction form
    8,874.50/12,246.78 = 5,097.90/x
  3. Step 3: Cross multiply
    8,874.50x = 12,246.78 × 5,097.90
  4. Step 4: Simplify right side
    8,874.50x = 62,432,859.76
  5. Step 5: Solve for x
    x = 62,432,859.76/8,874.50
  6. Step 6: Final answer
    x = 7,035.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.