Home / 7,520.60-11,265.86-3,512.58

Finding the Fourth Proportional to 7,520.60, 11,265.86 and 3,512.58

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Solution

The fourth proportional to 7,520.60, 11,265.86 and 3,512.58 is: 5,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.60 : 11,265.86 = 3,512.58 : x
  2. Step 2: Convert to fraction form
    7,520.60/11,265.86 = 3,512.58/x
  3. Step 3: Cross multiply
    7,520.60x = 11,265.86 × 3,512.58
  4. Step 4: Simplify right side
    7,520.60x = 39,572,234.52
  5. Step 5: Solve for x
    x = 39,572,234.52/7,520.60
  6. Step 6: Final answer
    x = 5,261.85

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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.