Home / 4,228.52-6,338.82-1,761.78

Finding the Fourth Proportional to 4,228.52, 6,338.82 and 1,761.78

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Solution

The fourth proportional to 4,228.52, 6,338.82 and 1,761.78 is: 2,641.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.52 : 6,338.82 = 1,761.78 : x
  2. Step 2: Convert to fraction form
    4,228.52/6,338.82 = 1,761.78/x
  3. Step 3: Cross multiply
    4,228.52x = 6,338.82 × 1,761.78
  4. Step 4: Simplify right side
    4,228.52x = 11,167,606.30
  5. Step 5: Solve for x
    x = 11,167,606.30/4,228.52
  6. Step 6: Final answer
    x = 2,641.02

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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.