Home / 7,911.52-11,867.19-3,234.04

Finding the Fourth Proportional to 7,911.52, 11,867.19 and 3,234.04

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Solution

The fourth proportional to 7,911.52, 11,867.19 and 3,234.04 is: 4,851.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911.52 : 11,867.19 = 3,234.04 : x
  2. Step 2: Convert to fraction form
    7,911.52/11,867.19 = 3,234.04/x
  3. Step 3: Cross multiply
    7,911.52x = 11,867.19 × 3,234.04
  4. Step 4: Simplify right side
    7,911.52x = 38,378,967.15
  5. Step 5: Solve for x
    x = 38,378,967.15/7,911.52
  6. Step 6: Final answer
    x = 4,851.02

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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.