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Finding the Fourth Proportional to 5,522.60, 8,241.23 and 4,931.25

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Solution

The fourth proportional to 5,522.60, 8,241.23 and 4,931.25 is: 7,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,522.60 : 8,241.23 = 4,931.25 : x
  2. Step 2: Convert to fraction form
    5,522.60/8,241.23 = 4,931.25/x
  3. Step 3: Cross multiply
    5,522.60x = 8,241.23 × 4,931.25
  4. Step 4: Simplify right side
    5,522.60x = 40,639,540.78
  5. Step 5: Solve for x
    x = 40,639,540.78/5,522.60
  6. Step 6: Final answer
    x = 7,358.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.