Home / 5,516.52-8,274.30-1,818.66

Finding the Fourth Proportional to 5,516.52, 8,274.30 and 1,818.66

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Solution

The fourth proportional to 5,516.52, 8,274.30 and 1,818.66 is: 2,727.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.52 : 8,274.30 = 1,818.66 : x
  2. Step 2: Convert to fraction form
    5,516.52/8,274.30 = 1,818.66/x
  3. Step 3: Cross multiply
    5,516.52x = 8,274.30 × 1,818.66
  4. Step 4: Simplify right side
    5,516.52x = 15,048,138.44
  5. Step 5: Solve for x
    x = 15,048,138.44/5,516.52
  6. Step 6: Final answer
    x = 2,727.83

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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.