Home / 7,412.82-11,119.17-3,027.20

Finding the Fourth Proportional to 7,412.82, 11,119.17 and 3,027.20

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Solution

The fourth proportional to 7,412.82, 11,119.17 and 3,027.20 is: 4,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.82 : 11,119.17 = 3,027.20 : x
  2. Step 2: Convert to fraction form
    7,412.82/11,119.17 = 3,027.20/x
  3. Step 3: Cross multiply
    7,412.82x = 11,119.17 × 3,027.20
  4. Step 4: Simplify right side
    7,412.82x = 33,659,951.42
  5. Step 5: Solve for x
    x = 33,659,951.42/7,412.82
  6. Step 6: Final answer
    x = 4,540.78

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1.5x scale

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.