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Finding the Fourth Proportional to 5,516.60, 8,274.90 and 3,661.70

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Solution

The fourth proportional to 5,516.60, 8,274.90 and 3,661.70 is: 5,492.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.60 : 8,274.90 = 3,661.70 : x
  2. Step 2: Convert to fraction form
    5,516.60/8,274.90 = 3,661.70/x
  3. Step 3: Cross multiply
    5,516.60x = 8,274.90 × 3,661.70
  4. Step 4: Simplify right side
    5,516.60x = 30,300,201.33
  5. Step 5: Solve for x
    x = 30,300,201.33/5,516.60
  6. Step 6: Final answer
    x = 5,492.55

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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.