Home / 7,542.71-11,320.19-3,163.23

Finding the Fourth Proportional to 7,542.71, 11,320.19 and 3,163.23

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Solution

The fourth proportional to 7,542.71, 11,320.19 and 3,163.23 is: 4,747.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.71 : 11,320.19 = 3,163.23 : x
  2. Step 2: Convert to fraction form
    7,542.71/11,320.19 = 3,163.23/x
  3. Step 3: Cross multiply
    7,542.71x = 11,320.19 × 3,163.23
  4. Step 4: Simplify right side
    7,542.71x = 35,808,348.80
  5. Step 5: Solve for x
    x = 35,808,348.80/7,542.71
  6. Step 6: Final answer
    x = 4,747.41

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1.5x scale

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.