Home / 5,227.32-7,836.66-3,579.78

Finding the Fourth Proportional to 5,227.32, 7,836.66 and 3,579.78

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Solution

The fourth proportional to 5,227.32, 7,836.66 and 3,579.78 is: 5,366.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.32 : 7,836.66 = 3,579.78 : x
  2. Step 2: Convert to fraction form
    5,227.32/7,836.66 = 3,579.78/x
  3. Step 3: Cross multiply
    5,227.32x = 7,836.66 × 3,579.78
  4. Step 4: Simplify right side
    5,227.32x = 28,053,518.73
  5. Step 5: Solve for x
    x = 28,053,518.73/5,227.32
  6. Step 6: Final answer
    x = 5,366.71

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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.