Home / 8,188.22-12,281.08-2,992.88

Finding the Fourth Proportional to 8,188.22, 12,281.08 and 2,992.88

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Solution

The fourth proportional to 8,188.22, 12,281.08 and 2,992.88 is: 4,488.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.22 : 12,281.08 = 2,992.88 : x
  2. Step 2: Convert to fraction form
    8,188.22/12,281.08 = 2,992.88/x
  3. Step 3: Cross multiply
    8,188.22x = 12,281.08 × 2,992.88
  4. Step 4: Simplify right side
    8,188.22x = 36,755,798.71
  5. Step 5: Solve for x
    x = 36,755,798.71/8,188.22
  6. Step 6: Final answer
    x = 4,488.86

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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.