Home / 8,487.39-12,733.44-3,555.85

Finding the Fourth Proportional to 8,487.39, 12,733.44 and 3,555.85

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Solution

The fourth proportional to 8,487.39, 12,733.44 and 3,555.85 is: 5,334.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487.39 : 12,733.44 = 3,555.85 : x
  2. Step 2: Convert to fraction form
    8,487.39/12,733.44 = 3,555.85/x
  3. Step 3: Cross multiply
    8,487.39x = 12,733.44 × 3,555.85
  4. Step 4: Simplify right side
    8,487.39x = 45,278,202.62
  5. Step 5: Solve for x
    x = 45,278,202.62/8,487.39
  6. Step 6: Final answer
    x = 5,334.76

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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.