Home / 6,550.82-9,040.20-3,755.78

Finding the Fourth Proportional to 6,550.82, 9,040.20 and 3,755.78

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Solution

The fourth proportional to 6,550.82, 9,040.20 and 3,755.78 is: 5,183.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,550.82 : 9,040.20 = 3,755.78 : x
  2. Step 2: Convert to fraction form
    6,550.82/9,040.20 = 3,755.78/x
  3. Step 3: Cross multiply
    6,550.82x = 9,040.20 × 3,755.78
  4. Step 4: Simplify right side
    6,550.82x = 33,953,015.57
  5. Step 5: Solve for x
    x = 33,953,015.57/6,550.82
  6. Step 6: Final answer
    x = 5,183.02

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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.