Home / 7,379.25-10,183.38-4,067.25

Finding the Fourth Proportional to 7,379.25, 10,183.38 and 4,067.25

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Solution

The fourth proportional to 7,379.25, 10,183.38 and 4,067.25 is: 5,612.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.25 : 10,183.38 = 4,067.25 : x
  2. Step 2: Convert to fraction form
    7,379.25/10,183.38 = 4,067.25/x
  3. Step 3: Cross multiply
    7,379.25x = 10,183.38 × 4,067.25
  4. Step 4: Simplify right side
    7,379.25x = 41,418,352.31
  5. Step 5: Solve for x
    x = 41,418,352.31/7,379.25
  6. Step 6: Final answer
    x = 5,612.81

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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.