Home / 5,517.42-8,275.32-1,819.77

Finding the Fourth Proportional to 5,517.42, 8,275.32 and 1,819.77

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Solution

The fourth proportional to 5,517.42, 8,275.32 and 1,819.77 is: 2,729.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.42 : 8,275.32 = 1,819.77 : x
  2. Step 2: Convert to fraction form
    5,517.42/8,275.32 = 1,819.77/x
  3. Step 3: Cross multiply
    5,517.42x = 8,275.32 × 1,819.77
  4. Step 4: Simplify right side
    5,517.42x = 15,059,179.08
  5. Step 5: Solve for x
    x = 15,059,179.08/5,517.42
  6. Step 6: Final answer
    x = 2,729.39

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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.