Home / 5,121.92-7,067.88-3,235.36

Finding the Fourth Proportional to 5,121.92, 7,067.88 and 3,235.36

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Solution

The fourth proportional to 5,121.92, 7,067.88 and 3,235.36 is: 4,464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.92 : 7,067.88 = 3,235.36 : x
  2. Step 2: Convert to fraction form
    5,121.92/7,067.88 = 3,235.36/x
  3. Step 3: Cross multiply
    5,121.92x = 7,067.88 × 3,235.36
  4. Step 4: Simplify right side
    5,121.92x = 22,867,136.24
  5. Step 5: Solve for x
    x = 22,867,136.24/5,121.92
  6. Step 6: Final answer
    x = 4,464.56

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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.