Home / 8,851.79-13,279.97-3,305.18

Finding the Fourth Proportional to 8,851.79, 13,279.97 and 3,305.18

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Solution

The fourth proportional to 8,851.79, 13,279.97 and 3,305.18 is: 4,958.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.79 : 13,279.97 = 3,305.18 : x
  2. Step 2: Convert to fraction form
    8,851.79/13,279.97 = 3,305.18/x
  3. Step 3: Cross multiply
    8,851.79x = 13,279.97 × 3,305.18
  4. Step 4: Simplify right side
    8,851.79x = 43,892,691.24
  5. Step 5: Solve for x
    x = 43,892,691.24/8,851.79
  6. Step 6: Final answer
    x = 4,958.62

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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.