Home / 6,121.26-9,181.89-3,924.54

Finding the Fourth Proportional to 6,121.26, 9,181.89 and 3,924.54

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Solution

The fourth proportional to 6,121.26, 9,181.89 and 3,924.54 is: 5,886.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.26 : 9,181.89 = 3,924.54 : x
  2. Step 2: Convert to fraction form
    6,121.26/9,181.89 = 3,924.54/x
  3. Step 3: Cross multiply
    6,121.26x = 9,181.89 × 3,924.54
  4. Step 4: Simplify right side
    6,121.26x = 36,034,694.58
  5. Step 5: Solve for x
    x = 36,034,694.58/6,121.26
  6. Step 6: Final answer
    x = 5,886.81

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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.