Home / 8,188.23-12,281.10-2,992.89

Finding the Fourth Proportional to 8,188.23, 12,281.10 and 2,992.89

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Solution

The fourth proportional to 8,188.23, 12,281.10 and 2,992.89 is: 4,488.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.23 : 12,281.10 = 2,992.89 : x
  2. Step 2: Convert to fraction form
    8,188.23/12,281.10 = 2,992.89/x
  3. Step 3: Cross multiply
    8,188.23x = 12,281.10 × 2,992.89
  4. Step 4: Simplify right side
    8,188.23x = 36,755,981.38
  5. Step 5: Solve for x
    x = 36,755,981.38/8,188.23
  6. Step 6: Final answer
    x = 4,488.88

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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.