Home / 8,522.15-11,757.35-5,540.54

Finding the Fourth Proportional to 8,522.15, 11,757.35 and 5,540.54

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Solution

The fourth proportional to 8,522.15, 11,757.35 and 5,540.54 is: 7,643.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522.15 : 11,757.35 = 5,540.54 : x
  2. Step 2: Convert to fraction form
    8,522.15/11,757.35 = 5,540.54/x
  3. Step 3: Cross multiply
    8,522.15x = 11,757.35 × 5,540.54
  4. Step 4: Simplify right side
    8,522.15x = 65,142,023.03
  5. Step 5: Solve for x
    x = 65,142,023.03/8,522.15
  6. Step 6: Final answer
    x = 7,643.85

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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.