Home / 4,745.03-7,117.39-2,147.97

Finding the Fourth Proportional to 4,745.03, 7,117.39 and 2,147.97

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Solution

The fourth proportional to 4,745.03, 7,117.39 and 2,147.97 is: 3,221.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.03 : 7,117.39 = 2,147.97 : x
  2. Step 2: Convert to fraction form
    4,745.03/7,117.39 = 2,147.97/x
  3. Step 3: Cross multiply
    4,745.03x = 7,117.39 × 2,147.97
  4. Step 4: Simplify right side
    4,745.03x = 15,287,893.87
  5. Step 5: Solve for x
    x = 15,287,893.87/4,745.03
  6. Step 6: Final answer
    x = 3,221.88

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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.