Home / 5,989.22-8,979.92-2,869.13

Finding the Fourth Proportional to 5,989.22, 8,979.92 and 2,869.13

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Solution

The fourth proportional to 5,989.22, 8,979.92 and 2,869.13 is: 4,301.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989.22 : 8,979.92 = 2,869.13 : x
  2. Step 2: Convert to fraction form
    5,989.22/8,979.92 = 2,869.13/x
  3. Step 3: Cross multiply
    5,989.22x = 8,979.92 × 2,869.13
  4. Step 4: Simplify right side
    5,989.22x = 25,764,498.62
  5. Step 5: Solve for x
    x = 25,764,498.62/5,989.22
  6. Step 6: Final answer
    x = 4,301.82

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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.