Home / 5,251.18-7,863.83-3,396.61

Finding the Fourth Proportional to 5,251.18, 7,863.83 and 3,396.61

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Solution

The fourth proportional to 5,251.18, 7,863.83 and 3,396.61 is: 5,086.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.18 : 7,863.83 = 3,396.61 : x
  2. Step 2: Convert to fraction form
    5,251.18/7,863.83 = 3,396.61/x
  3. Step 3: Cross multiply
    5,251.18x = 7,863.83 × 3,396.61
  4. Step 4: Simplify right side
    5,251.18x = 26,710,363.62
  5. Step 5: Solve for x
    x = 26,710,363.62/5,251.18
  6. Step 6: Final answer
    x = 5,086.55

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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.