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Finding the Fourth Proportional to 8,937.60, 13,405.92 and 2,364

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Solution

The fourth proportional to 8,937.60, 13,405.92 and 2,364 is: 3,545.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.60 : 13,405.92 = 2,364 : x
  2. Step 2: Convert to fraction form
    8,937.60/13,405.92 = 2,364/x
  3. Step 3: Cross multiply
    8,937.60x = 13,405.92 × 2,364
  4. Step 4: Simplify right side
    8,937.60x = 31,691,594.88
  5. Step 5: Solve for x
    x = 31,691,594.88/8,937.60
  6. Step 6: Final answer
    x = 3,545.87

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Why These Related Problems?

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