Home / 8,722.36-13,081.10-2,481.88

Finding the Fourth Proportional to 8,722.36, 13,081.10 and 2,481.88

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Solution

The fourth proportional to 8,722.36, 13,081.10 and 2,481.88 is: 3,722.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.36 : 13,081.10 = 2,481.88 : x
  2. Step 2: Convert to fraction form
    8,722.36/13,081.10 = 2,481.88/x
  3. Step 3: Cross multiply
    8,722.36x = 13,081.10 × 2,481.88
  4. Step 4: Simplify right side
    8,722.36x = 32,465,720.47
  5. Step 5: Solve for x
    x = 32,465,720.47/8,722.36
  6. Step 6: Final answer
    x = 3,722.13

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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.