Home / 7,489.38-11,235.24-3,330.84

Finding the Fourth Proportional to 7,489.38, 11,235.24 and 3,330.84

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Solution

The fourth proportional to 7,489.38, 11,235.24 and 3,330.84 is: 4,996.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.38 : 11,235.24 = 3,330.84 : x
  2. Step 2: Convert to fraction form
    7,489.38/11,235.24 = 3,330.84/x
  3. Step 3: Cross multiply
    7,489.38x = 11,235.24 × 3,330.84
  4. Step 4: Simplify right side
    7,489.38x = 37,422,786.80
  5. Step 5: Solve for x
    x = 37,422,786.80/7,489.38
  6. Step 6: Final answer
    x = 4,996.78

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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.