Home / 8,481.85-12,723.98-3,288.25

Finding the Fourth Proportional to 8,481.85, 12,723.98 and 3,288.25

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Solution

The fourth proportional to 8,481.85, 12,723.98 and 3,288.25 is: 4,932.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.85 : 12,723.98 = 3,288.25 : x
  2. Step 2: Convert to fraction form
    8,481.85/12,723.98 = 3,288.25/x
  3. Step 3: Cross multiply
    8,481.85x = 12,723.98 × 3,288.25
  4. Step 4: Simplify right side
    8,481.85x = 41,839,610.79
  5. Step 5: Solve for x
    x = 41,839,610.79/8,481.85
  6. Step 6: Final answer
    x = 4,932.84

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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.