Home / 7,479.11-11,219.99-2,481.78

Finding the Fourth Proportional to 7,479.11, 11,219.99 and 2,481.78

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Solution

The fourth proportional to 7,479.11, 11,219.99 and 2,481.78 is: 3,723.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.11 : 11,219.99 = 2,481.78 : x
  2. Step 2: Convert to fraction form
    7,479.11/11,219.99 = 2,481.78/x
  3. Step 3: Cross multiply
    7,479.11x = 11,219.99 × 2,481.78
  4. Step 4: Simplify right side
    7,479.11x = 27,845,531.85
  5. Step 5: Solve for x
    x = 27,845,531.85/7,479.11
  6. Step 6: Final answer
    x = 3,723.11

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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.