Home / 8,282.20-12,425.75-3,355.38

Finding the Fourth Proportional to 8,282.20, 12,425.75 and 3,355.38

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Solution

The fourth proportional to 8,282.20, 12,425.75 and 3,355.38 is: 5,034.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.20 : 12,425.75 = 3,355.38 : x
  2. Step 2: Convert to fraction form
    8,282.20/12,425.75 = 3,355.38/x
  3. Step 3: Cross multiply
    8,282.20x = 12,425.75 × 3,355.38
  4. Step 4: Simplify right side
    8,282.20x = 41,693,113.04
  5. Step 5: Solve for x
    x = 41,693,113.04/8,282.20
  6. Step 6: Final answer
    x = 5,034.06

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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.