Home / 8,200.28-11,315.45-4,614.54

Finding the Fourth Proportional to 8,200.28, 11,315.45 and 4,614.54

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Solution

The fourth proportional to 8,200.28, 11,315.45 and 4,614.54 is: 6,367.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.28 : 11,315.45 = 4,614.54 : x
  2. Step 2: Convert to fraction form
    8,200.28/11,315.45 = 4,614.54/x
  3. Step 3: Cross multiply
    8,200.28x = 11,315.45 × 4,614.54
  4. Step 4: Simplify right side
    8,200.28x = 52,215,573.57
  5. Step 5: Solve for x
    x = 52,215,573.57/8,200.28
  6. Step 6: Final answer
    x = 6,367.54

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.