Home / 5,516.24-8,275.28-1,818.70

Finding the Fourth Proportional to 5,516.24, 8,275.28 and 1,818.70

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Solution

The fourth proportional to 5,516.24, 8,275.28 and 1,818.70 is: 2,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.24 : 8,275.28 = 1,818.70 : x
  2. Step 2: Convert to fraction form
    5,516.24/8,275.28 = 1,818.70/x
  3. Step 3: Cross multiply
    5,516.24x = 8,275.28 × 1,818.70
  4. Step 4: Simplify right side
    5,516.24x = 15,050,221.95
  5. Step 5: Solve for x
    x = 15,050,221.95/5,516.24
  6. Step 6: Final answer
    x = 2,728.35

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Similar ratio
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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.