Home / 7,481.28-11,226.24-4,149.84

Finding the Fourth Proportional to 7,481.28, 11,226.24 and 4,149.84

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Solution

The fourth proportional to 7,481.28, 11,226.24 and 4,149.84 is: 6,227.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.28 : 11,226.24 = 4,149.84 : x
  2. Step 2: Convert to fraction form
    7,481.28/11,226.24 = 4,149.84/x
  3. Step 3: Cross multiply
    7,481.28x = 11,226.24 × 4,149.84
  4. Step 4: Simplify right side
    7,481.28x = 46,587,099.80
  5. Step 5: Solve for x
    x = 46,587,099.80/7,481.28
  6. Step 6: Final answer
    x = 6,227.16

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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.