Home / 4,799.91-7,188.25-3,972.09

Finding the Fourth Proportional to 4,799.91, 7,188.25 and 3,972.09

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Solution

The fourth proportional to 4,799.91, 7,188.25 and 3,972.09 is: 5,948.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,799.91 : 7,188.25 = 3,972.09 : x
  2. Step 2: Convert to fraction form
    4,799.91/7,188.25 = 3,972.09/x
  3. Step 3: Cross multiply
    4,799.91x = 7,188.25 × 3,972.09
  4. Step 4: Simplify right side
    4,799.91x = 28,552,375.94
  5. Step 5: Solve for x
    x = 28,552,375.94/4,799.91
  6. Step 6: Final answer
    x = 5,948.52

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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.