Home / 8,076.82-12,119.93-3,396.49

Finding the Fourth Proportional to 8,076.82, 12,119.93 and 3,396.49

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Solution

The fourth proportional to 8,076.82, 12,119.93 and 3,396.49 is: 5,096.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.82 : 12,119.93 = 3,396.49 : x
  2. Step 2: Convert to fraction form
    8,076.82/12,119.93 = 3,396.49/x
  3. Step 3: Cross multiply
    8,076.82x = 12,119.93 × 3,396.49
  4. Step 4: Simplify right side
    8,076.82x = 41,165,221.05
  5. Step 5: Solve for x
    x = 41,165,221.05/8,076.82
  6. Step 6: Final answer
    x = 5,096.71

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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.