Home / 8,173.08-12,257.80-3,789.97

Finding the Fourth Proportional to 8,173.08, 12,257.80 and 3,789.97

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Solution

The fourth proportional to 8,173.08, 12,257.80 and 3,789.97 is: 5,684.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.08 : 12,257.80 = 3,789.97 : x
  2. Step 2: Convert to fraction form
    8,173.08/12,257.80 = 3,789.97/x
  3. Step 3: Cross multiply
    8,173.08x = 12,257.80 × 3,789.97
  4. Step 4: Simplify right side
    8,173.08x = 46,456,714.33
  5. Step 5: Solve for x
    x = 46,456,714.33/8,173.08
  6. Step 6: Final answer
    x = 5,684.11

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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.