Home / 7,067.05-10,603.00-2,137.79

Finding the Fourth Proportional to 7,067.05, 10,603.00 and 2,137.79

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Solution

The fourth proportional to 7,067.05, 10,603.00 and 2,137.79 is: 3,207.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067.05 : 10,603.00 = 2,137.79 : x
  2. Step 2: Convert to fraction form
    7,067.05/10,603.00 = 2,137.79/x
  3. Step 3: Cross multiply
    7,067.05x = 10,603.00 × 2,137.79
  4. Step 4: Simplify right side
    7,067.05x = 22,667,016.55
  5. Step 5: Solve for x
    x = 22,667,016.55/7,067.05
  6. Step 6: Final answer
    x = 3,207.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.