Home / 8,245.26-12,347.84-3,863.97

Finding the Fourth Proportional to 8,245.26, 12,347.84 and 3,863.97

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Solution

The fourth proportional to 8,245.26, 12,347.84 and 3,863.97 is: 5,786.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.26 : 12,347.84 = 3,863.97 : x
  2. Step 2: Convert to fraction form
    8,245.26/12,347.84 = 3,863.97/x
  3. Step 3: Cross multiply
    8,245.26x = 12,347.84 × 3,863.97
  4. Step 4: Simplify right side
    8,245.26x = 47,711,664.00
  5. Step 5: Solve for x
    x = 47,711,664.00/8,245.26
  6. Step 6: Final answer
    x = 5,786.56

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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.