Home / 5,769.42-7,961.83-3,380.80

Finding the Fourth Proportional to 5,769.42, 7,961.83 and 3,380.80

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Solution

The fourth proportional to 5,769.42, 7,961.83 and 3,380.80 is: 4,665.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,769.42 : 7,961.83 = 3,380.80 : x
  2. Step 2: Convert to fraction form
    5,769.42/7,961.83 = 3,380.80/x
  3. Step 3: Cross multiply
    5,769.42x = 7,961.83 × 3,380.80
  4. Step 4: Simplify right side
    5,769.42x = 26,917,354.86
  5. Step 5: Solve for x
    x = 26,917,354.86/5,769.42
  6. Step 6: Final answer
    x = 4,665.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.