Home / 7,490.33-11,217.97-5,919.79

Finding the Fourth Proportional to 7,490.33, 11,217.97 and 5,919.79

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Solution

The fourth proportional to 7,490.33, 11,217.97 and 5,919.79 is: 8,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.33 : 11,217.97 = 5,919.79 : x
  2. Step 2: Convert to fraction form
    7,490.33/11,217.97 = 5,919.79/x
  3. Step 3: Cross multiply
    7,490.33x = 11,217.97 × 5,919.79
  4. Step 4: Simplify right side
    7,490.33x = 66,407,983.78
  5. Step 5: Solve for x
    x = 66,407,983.78/7,490.33
  6. Step 6: Final answer
    x = 8,865.83

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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.