Home / 5,278.12-7,919.82-3,524.08

Finding the Fourth Proportional to 5,278.12, 7,919.82 and 3,524.08

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Solution

The fourth proportional to 5,278.12, 7,919.82 and 3,524.08 is: 5,287.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.12 : 7,919.82 = 3,524.08 : x
  2. Step 2: Convert to fraction form
    5,278.12/7,919.82 = 3,524.08/x
  3. Step 3: Cross multiply
    5,278.12x = 7,919.82 × 3,524.08
  4. Step 4: Simplify right side
    5,278.12x = 27,910,079.27
  5. Step 5: Solve for x
    x = 27,910,079.27/5,278.12
  6. Step 6: Final answer
    x = 5,287.88

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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.