Home / 6,121.97-9,182.79-1,739.43

Finding the Fourth Proportional to 6,121.97, 9,182.79 and 1,739.43

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Solution

The fourth proportional to 6,121.97, 9,182.79 and 1,739.43 is: 2,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.97 : 9,182.79 = 1,739.43 : x
  2. Step 2: Convert to fraction form
    6,121.97/9,182.79 = 1,739.43/x
  3. Step 3: Cross multiply
    6,121.97x = 9,182.79 × 1,739.43
  4. Step 4: Simplify right side
    6,121.97x = 15,972,820.41
  5. Step 5: Solve for x
    x = 15,972,820.41/6,121.97
  6. Step 6: Final answer
    x = 2,609.10

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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.