Home / 5,121.36-7,067.46-3,025.60

Finding the Fourth Proportional to 5,121.36, 7,067.46 and 3,025.60

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Solution

The fourth proportional to 5,121.36, 7,067.46 and 3,025.60 is: 4,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.36 : 7,067.46 = 3,025.60 : x
  2. Step 2: Convert to fraction form
    5,121.36/7,067.46 = 3,025.60/x
  3. Step 3: Cross multiply
    5,121.36x = 7,067.46 × 3,025.60
  4. Step 4: Simplify right side
    5,121.36x = 21,383,306.98
  5. Step 5: Solve for x
    x = 21,383,306.98/5,121.36
  6. Step 6: Final answer
    x = 4,175.32

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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.