Home / 6,829.38-9,425.25-4,178.55

Finding the Fourth Proportional to 6,829.38, 9,425.25 and 4,178.55

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Solution

The fourth proportional to 6,829.38, 9,425.25 and 4,178.55 is: 5,766.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,829.38 : 9,425.25 = 4,178.55 : x
  2. Step 2: Convert to fraction form
    6,829.38/9,425.25 = 4,178.55/x
  3. Step 3: Cross multiply
    6,829.38x = 9,425.25 × 4,178.55
  4. Step 4: Simplify right side
    6,829.38x = 39,383,878.39
  5. Step 5: Solve for x
    x = 39,383,878.39/6,829.38
  6. Step 6: Final answer
    x = 5,766.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.