Home / 8,493.39-12,735.97-3,561.70

Finding the Fourth Proportional to 8,493.39, 12,735.97 and 3,561.70

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Solution

The fourth proportional to 8,493.39, 12,735.97 and 3,561.70 is: 5,340.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.39 : 12,735.97 = 3,561.70 : x
  2. Step 2: Convert to fraction form
    8,493.39/12,735.97 = 3,561.70/x
  3. Step 3: Cross multiply
    8,493.39x = 12,735.97 × 3,561.70
  4. Step 4: Simplify right side
    8,493.39x = 45,361,704.35
  5. Step 5: Solve for x
    x = 45,361,704.35/8,493.39
  6. Step 6: Final answer
    x = 5,340.82

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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.