Home / 8,104.73-12,158.96-2,558.61

Finding the Fourth Proportional to 8,104.73, 12,158.96 and 2,558.61

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Solution

The fourth proportional to 8,104.73, 12,158.96 and 2,558.61 is: 3,838.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.73 : 12,158.96 = 2,558.61 : x
  2. Step 2: Convert to fraction form
    8,104.73/12,158.96 = 2,558.61/x
  3. Step 3: Cross multiply
    8,104.73x = 12,158.96 × 2,558.61
  4. Step 4: Simplify right side
    8,104.73x = 31,110,023.85
  5. Step 5: Solve for x
    x = 31,110,023.85/8,104.73
  6. Step 6: Final answer
    x = 3,838.50

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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.