Home / 4,003.60-5,522.92-3,286.80

Finding the Fourth Proportional to 4,003.60, 5,522.92 and 3,286.80

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Solution

The fourth proportional to 4,003.60, 5,522.92 and 3,286.80 is: 4,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.60 : 5,522.92 = 3,286.80 : x
  2. Step 2: Convert to fraction form
    4,003.60/5,522.92 = 3,286.80/x
  3. Step 3: Cross multiply
    4,003.60x = 5,522.92 × 3,286.80
  4. Step 4: Simplify right side
    4,003.60x = 18,152,733.46
  5. Step 5: Solve for x
    x = 18,152,733.46/4,003.60
  6. Step 6: Final answer
    x = 4,534.10

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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.