Home / 5,522.40-8,278.30-3,542.49

Finding the Fourth Proportional to 5,522.40, 8,278.30 and 3,542.49

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Solution

The fourth proportional to 5,522.40, 8,278.30 and 3,542.49 is: 5,310.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,522.40 : 8,278.30 = 3,542.49 : x
  2. Step 2: Convert to fraction form
    5,522.40/8,278.30 = 3,542.49/x
  3. Step 3: Cross multiply
    5,522.40x = 8,278.30 × 3,542.49
  4. Step 4: Simplify right side
    5,522.40x = 29,325,794.97
  5. Step 5: Solve for x
    x = 29,325,794.97/5,522.40
  6. Step 6: Final answer
    x = 5,310.34

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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.