Home / 9,115.28-13,664.71-3,270.52

Finding the Fourth Proportional to 9,115.28, 13,664.71 and 3,270.52

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Solution

The fourth proportional to 9,115.28, 13,664.71 and 3,270.52 is: 4,902.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.28 : 13,664.71 = 3,270.52 : x
  2. Step 2: Convert to fraction form
    9,115.28/13,664.71 = 3,270.52/x
  3. Step 3: Cross multiply
    9,115.28x = 13,664.71 × 3,270.52
  4. Step 4: Simplify right side
    9,115.28x = 44,690,622.67
  5. Step 5: Solve for x
    x = 44,690,622.67/9,115.28
  6. Step 6: Final answer
    x = 4,902.83

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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.