Home / 4,000.33-5,521.97-3,147.37

Finding the Fourth Proportional to 4,000.33, 5,521.97 and 3,147.37

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Solution

The fourth proportional to 4,000.33, 5,521.97 and 3,147.37 is: 4,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.33 : 5,521.97 = 3,147.37 : x
  2. Step 2: Convert to fraction form
    4,000.33/5,521.97 = 3,147.37/x
  3. Step 3: Cross multiply
    4,000.33x = 5,521.97 × 3,147.37
  4. Step 4: Simplify right side
    4,000.33x = 17,379,682.72
  5. Step 5: Solve for x
    x = 17,379,682.72/4,000.33
  6. Step 6: Final answer
    x = 4,344.56

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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.