Home / 5,352.20-8,028.30-3,278.60

Finding the Fourth Proportional to 5,352.20, 8,028.30 and 3,278.60

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Solution

The fourth proportional to 5,352.20, 8,028.30 and 3,278.60 is: 4,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.20 : 8,028.30 = 3,278.60 : x
  2. Step 2: Convert to fraction form
    5,352.20/8,028.30 = 3,278.60/x
  3. Step 3: Cross multiply
    5,352.20x = 8,028.30 × 3,278.60
  4. Step 4: Simplify right side
    5,352.20x = 26,321,584.38
  5. Step 5: Solve for x
    x = 26,321,584.38/5,352.20
  6. Step 6: Final answer
    x = 4,917.90

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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.