Home / 4,172.91-5,745.49-3,542.12

Finding the Fourth Proportional to 4,172.91, 5,745.49 and 3,542.12

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Solution

The fourth proportional to 4,172.91, 5,745.49 and 3,542.12 is: 4,876.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.91 : 5,745.49 = 3,542.12 : x
  2. Step 2: Convert to fraction form
    4,172.91/5,745.49 = 3,542.12/x
  3. Step 3: Cross multiply
    4,172.91x = 5,745.49 × 3,542.12
  4. Step 4: Simplify right side
    4,172.91x = 20,351,215.04
  5. Step 5: Solve for x
    x = 20,351,215.04/4,172.91
  6. Step 6: Final answer
    x = 4,876.98

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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.