Home / 8,306.25-12,443.39-6,541.92

Finding the Fourth Proportional to 8,306.25, 12,443.39 and 6,541.92

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Solution

The fourth proportional to 8,306.25, 12,443.39 and 6,541.92 is: 9,800.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306.25 : 12,443.39 = 6,541.92 : x
  2. Step 2: Convert to fraction form
    8,306.25/12,443.39 = 6,541.92/x
  3. Step 3: Cross multiply
    8,306.25x = 12,443.39 × 6,541.92
  4. Step 4: Simplify right side
    8,306.25x = 81,403,629.20
  5. Step 5: Solve for x
    x = 81,403,629.20/8,306.25
  6. Step 6: Final answer
    x = 9,800.29

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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.