Home / 5,517.26-8,274.13-1,818.80

Finding the Fourth Proportional to 5,517.26, 8,274.13 and 1,818.80

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Solution

The fourth proportional to 5,517.26, 8,274.13 and 1,818.80 is: 2,727.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.26 : 8,274.13 = 1,818.80 : x
  2. Step 2: Convert to fraction form
    5,517.26/8,274.13 = 1,818.80/x
  3. Step 3: Cross multiply
    5,517.26x = 8,274.13 × 1,818.80
  4. Step 4: Simplify right side
    5,517.26x = 15,048,941.73
  5. Step 5: Solve for x
    x = 15,048,941.73/5,517.26
  6. Step 6: Final answer
    x = 2,727.61

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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.