Home / 5,517.38-8,274.31-1,818.92

Finding the Fourth Proportional to 5,517.38, 8,274.31 and 1,818.92

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Solution

The fourth proportional to 5,517.38, 8,274.31 and 1,818.92 is: 2,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.38 : 8,274.31 = 1,818.92 : x
  2. Step 2: Convert to fraction form
    5,517.38/8,274.31 = 1,818.92/x
  3. Step 3: Cross multiply
    5,517.38x = 8,274.31 × 1,818.92
  4. Step 4: Simplify right side
    5,517.38x = 15,050,307.95
  5. Step 5: Solve for x
    x = 15,050,307.95/5,517.38
  6. Step 6: Final answer
    x = 2,727.80

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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.