Home / 4,227.78-6,338.23-1,764.43

Finding the Fourth Proportional to 4,227.78, 6,338.23 and 1,764.43

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Solution

The fourth proportional to 4,227.78, 6,338.23 and 1,764.43 is: 2,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.78 : 6,338.23 = 1,764.43 : x
  2. Step 2: Convert to fraction form
    4,227.78/6,338.23 = 1,764.43/x
  3. Step 3: Cross multiply
    4,227.78x = 6,338.23 × 1,764.43
  4. Step 4: Simplify right side
    4,227.78x = 11,183,363.16
  5. Step 5: Solve for x
    x = 11,183,363.16/4,227.78
  6. Step 6: Final answer
    x = 2,645.21

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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.