Home / 6,121.97-9,181.65-1,739.47

Finding the Fourth Proportional to 6,121.97, 9,181.65 and 1,739.47

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Solution

The fourth proportional to 6,121.97, 9,181.65 and 1,739.47 is: 2,608.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.97 : 9,181.65 = 1,739.47 : x
  2. Step 2: Convert to fraction form
    6,121.97/9,181.65 = 1,739.47/x
  3. Step 3: Cross multiply
    6,121.97x = 9,181.65 × 1,739.47
  4. Step 4: Simplify right side
    6,121.97x = 15,971,204.73
  5. Step 5: Solve for x
    x = 15,971,204.73/6,121.97
  6. Step 6: Final answer
    x = 2,608.83

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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.