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Finding the Fourth Proportional to 5,604.60, 8,414.16 and 3,961.92

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Solution

The fourth proportional to 5,604.60, 8,414.16 and 3,961.92 is: 5,948.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.60 : 8,414.16 = 3,961.92 : x
  2. Step 2: Convert to fraction form
    5,604.60/8,414.16 = 3,961.92/x
  3. Step 3: Cross multiply
    5,604.60x = 8,414.16 × 3,961.92
  4. Step 4: Simplify right side
    5,604.60x = 33,336,228.79
  5. Step 5: Solve for x
    x = 33,336,228.79/5,604.60
  6. Step 6: Final answer
    x = 5,948.01

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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.