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Finding the Fourth Proportional to 8,910.60, 13,353.74 and 6,717.52

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Solution

The fourth proportional to 8,910.60, 13,353.74 and 6,717.52 is: 10,067.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.60 : 13,353.74 = 6,717.52 : x
  2. Step 2: Convert to fraction form
    8,910.60/13,353.74 = 6,717.52/x
  3. Step 3: Cross multiply
    8,910.60x = 13,353.74 × 6,717.52
  4. Step 4: Simplify right side
    8,910.60x = 89,704,015.52
  5. Step 5: Solve for x
    x = 89,704,015.52/8,910.60
  6. Step 6: Final answer
    x = 10,067.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.