Home / 5,517.60-8,276.67-1,819.82

Finding the Fourth Proportional to 5,517.60, 8,276.67 and 1,819.82

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Solution

The fourth proportional to 5,517.60, 8,276.67 and 1,819.82 is: 2,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.60 : 8,276.67 = 1,819.82 : x
  2. Step 2: Convert to fraction form
    5,517.60/8,276.67 = 1,819.82/x
  3. Step 3: Cross multiply
    5,517.60x = 8,276.67 × 1,819.82
  4. Step 4: Simplify right side
    5,517.60x = 15,062,008.22
  5. Step 5: Solve for x
    x = 15,062,008.22/5,517.60
  6. Step 6: Final answer
    x = 2,729.81

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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.