Home / 8,489.08-12,726.18-3,292.12

Finding the Fourth Proportional to 8,489.08, 12,726.18 and 3,292.12

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Solution

The fourth proportional to 8,489.08, 12,726.18 and 3,292.12 is: 4,935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489.08 : 12,726.18 = 3,292.12 : x
  2. Step 2: Convert to fraction form
    8,489.08/12,726.18 = 3,292.12/x
  3. Step 3: Cross multiply
    8,489.08x = 12,726.18 × 3,292.12
  4. Step 4: Simplify right side
    8,489.08x = 41,896,111.70
  5. Step 5: Solve for x
    x = 41,896,111.70/8,489.08
  6. Step 6: Final answer
    x = 4,935.29

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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.