Home / 6,743.14-9,305.85-3,949.54

Finding the Fourth Proportional to 6,743.14, 9,305.85 and 3,949.54

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Solution

The fourth proportional to 6,743.14, 9,305.85 and 3,949.54 is: 5,450.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.14 : 9,305.85 = 3,949.54 : x
  2. Step 2: Convert to fraction form
    6,743.14/9,305.85 = 3,949.54/x
  3. Step 3: Cross multiply
    6,743.14x = 9,305.85 × 3,949.54
  4. Step 4: Simplify right side
    6,743.14x = 36,753,826.81
  5. Step 5: Solve for x
    x = 36,753,826.81/6,743.14
  6. Step 6: Final answer
    x = 5,450.55

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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.