Home / 8,229.91-12,346.15-2,681.97

Finding the Fourth Proportional to 8,229.91, 12,346.15 and 2,681.97

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Solution

The fourth proportional to 8,229.91, 12,346.15 and 2,681.97 is: 4,023.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.91 : 12,346.15 = 2,681.97 : x
  2. Step 2: Convert to fraction form
    8,229.91/12,346.15 = 2,681.97/x
  3. Step 3: Cross multiply
    8,229.91x = 12,346.15 × 2,681.97
  4. Step 4: Simplify right side
    8,229.91x = 33,111,928.77
  5. Step 5: Solve for x
    x = 33,111,928.77/8,229.91
  6. Step 6: Final answer
    x = 4,023.36

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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.