Home / 9,188.10-13,781.52-4,972.64

Finding the Fourth Proportional to 9,188.10, 13,781.52 and 4,972.64

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Solution

The fourth proportional to 9,188.10, 13,781.52 and 4,972.64 is: 7,458.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.10 : 13,781.52 = 4,972.64 : x
  2. Step 2: Convert to fraction form
    9,188.10/13,781.52 = 4,972.64/x
  3. Step 3: Cross multiply
    9,188.10x = 13,781.52 × 4,972.64
  4. Step 4: Simplify right side
    9,188.10x = 68,530,468.71
  5. Step 5: Solve for x
    x = 68,530,468.71/9,188.10
  6. Step 6: Final answer
    x = 7,458.61

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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.