Home / 8,158.91-12,234.49-3,163.62

Finding the Fourth Proportional to 8,158.91, 12,234.49 and 3,163.62

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Solution

The fourth proportional to 8,158.91, 12,234.49 and 3,163.62 is: 4,743.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.91 : 12,234.49 = 3,163.62 : x
  2. Step 2: Convert to fraction form
    8,158.91/12,234.49 = 3,163.62/x
  3. Step 3: Cross multiply
    8,158.91x = 12,234.49 × 3,163.62
  4. Step 4: Simplify right side
    8,158.91x = 38,705,277.25
  5. Step 5: Solve for x
    x = 38,705,277.25/8,158.91
  6. Step 6: Final answer
    x = 4,743.93

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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.