Home / 5,165.00-7,125.19-3,067.64

Finding the Fourth Proportional to 5,165.00, 7,125.19 and 3,067.64

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Solution

The fourth proportional to 5,165.00, 7,125.19 and 3,067.64 is: 4,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.00 : 7,125.19 = 3,067.64 : x
  2. Step 2: Convert to fraction form
    5,165.00/7,125.19 = 3,067.64/x
  3. Step 3: Cross multiply
    5,165.00x = 7,125.19 × 3,067.64
  4. Step 4: Simplify right side
    5,165.00x = 21,857,474.56
  5. Step 5: Solve for x
    x = 21,857,474.56/5,165.00
  6. Step 6: Final answer
    x = 4,231.85

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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.