Home / 8,237.18-12,359.61-3,306.71

Finding the Fourth Proportional to 8,237.18, 12,359.61 and 3,306.71

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Solution

The fourth proportional to 8,237.18, 12,359.61 and 3,306.71 is: 4,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.18 : 12,359.61 = 3,306.71 : x
  2. Step 2: Convert to fraction form
    8,237.18/12,359.61 = 3,306.71/x
  3. Step 3: Cross multiply
    8,237.18x = 12,359.61 × 3,306.71
  4. Step 4: Simplify right side
    8,237.18x = 40,869,584.19
  5. Step 5: Solve for x
    x = 40,869,584.19/8,237.18
  6. Step 6: Final answer
    x = 4,961.60

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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.