Home / 6,638.45-9,963.82-3,353.85

Finding the Fourth Proportional to 6,638.45, 9,963.82 and 3,353.85

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Solution

The fourth proportional to 6,638.45, 9,963.82 and 3,353.85 is: 5,033.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638.45 : 9,963.82 = 3,353.85 : x
  2. Step 2: Convert to fraction form
    6,638.45/9,963.82 = 3,353.85/x
  3. Step 3: Cross multiply
    6,638.45x = 9,963.82 × 3,353.85
  4. Step 4: Simplify right side
    6,638.45x = 33,417,157.71
  5. Step 5: Solve for x
    x = 33,417,157.71/6,638.45
  6. Step 6: Final answer
    x = 5,033.88

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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.