Home / 8,076.93-12,109.20-3,691.32

Finding the Fourth Proportional to 8,076.93, 12,109.20 and 3,691.32

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Solution

The fourth proportional to 8,076.93, 12,109.20 and 3,691.32 is: 5,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.93 : 12,109.20 = 3,691.32 : x
  2. Step 2: Convert to fraction form
    8,076.93/12,109.20 = 3,691.32/x
  3. Step 3: Cross multiply
    8,076.93x = 12,109.20 × 3,691.32
  4. Step 4: Simplify right side
    8,076.93x = 44,698,932.14
  5. Step 5: Solve for x
    x = 44,698,932.14/8,076.93
  6. Step 6: Final answer
    x = 5,534.15

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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.