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Finding the Fourth Proportional to 8,755.75, 12,078.76 and 5,924.11

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Solution

The fourth proportional to 8,755.75, 12,078.76 and 5,924.11 is: 8,172.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.75 : 12,078.76 = 5,924.11 : x
  2. Step 2: Convert to fraction form
    8,755.75/12,078.76 = 5,924.11/x
  3. Step 3: Cross multiply
    8,755.75x = 12,078.76 × 5,924.11
  4. Step 4: Simplify right side
    8,755.75x = 71,555,902.90
  5. Step 5: Solve for x
    x = 71,555,902.90/8,755.75
  6. Step 6: Final answer
    x = 8,172.45

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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.