Home / 5,517.92-8,277.90-1,820.34

Finding the Fourth Proportional to 5,517.92, 8,277.90 and 1,820.34

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Solution

The fourth proportional to 5,517.92, 8,277.90 and 1,820.34 is: 2,730.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.92 : 8,277.90 = 1,820.34 : x
  2. Step 2: Convert to fraction form
    5,517.92/8,277.90 = 1,820.34/x
  3. Step 3: Cross multiply
    5,517.92x = 8,277.90 × 1,820.34
  4. Step 4: Simplify right side
    5,517.92x = 15,068,592.49
  5. Step 5: Solve for x
    x = 15,068,592.49/5,517.92
  6. Step 6: Final answer
    x = 2,730.85

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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.