Home / 6,723.21-9,278.25-3,739.29

Finding the Fourth Proportional to 6,723.21, 9,278.25 and 3,739.29

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Solution

The fourth proportional to 6,723.21, 9,278.25 and 3,739.29 is: 5,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.21 : 9,278.25 = 3,739.29 : x
  2. Step 2: Convert to fraction form
    6,723.21/9,278.25 = 3,739.29/x
  3. Step 3: Cross multiply
    6,723.21x = 9,278.25 × 3,739.29
  4. Step 4: Simplify right side
    6,723.21x = 34,694,067.44
  5. Step 5: Solve for x
    x = 34,694,067.44/6,723.21
  6. Step 6: Final answer
    x = 5,160.34

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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.