Home / 8,309.44-12,467.82-3,930.04

Finding the Fourth Proportional to 8,309.44, 12,467.82 and 3,930.04

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Solution

The fourth proportional to 8,309.44, 12,467.82 and 3,930.04 is: 5,896.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309.44 : 12,467.82 = 3,930.04 : x
  2. Step 2: Convert to fraction form
    8,309.44/12,467.82 = 3,930.04/x
  3. Step 3: Cross multiply
    8,309.44x = 12,467.82 × 3,930.04
  4. Step 4: Simplify right side
    8,309.44x = 48,999,031.31
  5. Step 5: Solve for x
    x = 48,999,031.31/8,309.44
  6. Step 6: Final answer
    x = 5,896.79

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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.