Home / 5,163.39-7,127.31-3,067.50

Finding the Fourth Proportional to 5,163.39, 7,127.31 and 3,067.50

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Solution

The fourth proportional to 5,163.39, 7,127.31 and 3,067.50 is: 4,234.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.39 : 7,127.31 = 3,067.50 : x
  2. Step 2: Convert to fraction form
    5,163.39/7,127.31 = 3,067.50/x
  3. Step 3: Cross multiply
    5,163.39x = 7,127.31 × 3,067.50
  4. Step 4: Simplify right side
    5,163.39x = 21,863,023.43
  5. Step 5: Solve for x
    x = 21,863,023.43/5,163.39
  6. Step 6: Final answer
    x = 4,234.24

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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.