Home / 5,517.50-8,277.15-1,819.95

Finding the Fourth Proportional to 5,517.50, 8,277.15 and 1,819.95

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Solution

The fourth proportional to 5,517.50, 8,277.15 and 1,819.95 is: 2,730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.50 : 8,277.15 = 1,819.95 : x
  2. Step 2: Convert to fraction form
    5,517.50/8,277.15 = 1,819.95/x
  3. Step 3: Cross multiply
    5,517.50x = 8,277.15 × 1,819.95
  4. Step 4: Simplify right side
    5,517.50x = 15,063,999.14
  5. Step 5: Solve for x
    x = 15,063,999.14/5,517.50
  6. Step 6: Final answer
    x = 2,730.22

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1.5x scale

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.