Home / 4,949.30-7,414.39-3,385.60

Finding the Fourth Proportional to 4,949.30, 7,414.39 and 3,385.60

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Solution

The fourth proportional to 4,949.30, 7,414.39 and 3,385.60 is: 5,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.30 : 7,414.39 = 3,385.60 : x
  2. Step 2: Convert to fraction form
    4,949.30/7,414.39 = 3,385.60/x
  3. Step 3: Cross multiply
    4,949.30x = 7,414.39 × 3,385.60
  4. Step 4: Simplify right side
    4,949.30x = 25,102,125.44
  5. Step 5: Solve for x
    x = 25,102,125.44/4,949.30
  6. Step 6: Final answer
    x = 5,071.85

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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.