Home / 4,399.53-6,067.76-3,138.36

Finding the Fourth Proportional to 4,399.53, 6,067.76 and 3,138.36

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Solution

The fourth proportional to 4,399.53, 6,067.76 and 3,138.36 is: 4,328.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399.53 : 6,067.76 = 3,138.36 : x
  2. Step 2: Convert to fraction form
    4,399.53/6,067.76 = 3,138.36/x
  3. Step 3: Cross multiply
    4,399.53x = 6,067.76 × 3,138.36
  4. Step 4: Simplify right side
    4,399.53x = 19,042,799.58
  5. Step 5: Solve for x
    x = 19,042,799.58/4,399.53
  6. Step 6: Final answer
    x = 4,328.37

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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.