Home / 7,163.14-9,884.82-4,331.20

Finding the Fourth Proportional to 7,163.14, 9,884.82 and 4,331.20

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Solution

The fourth proportional to 7,163.14, 9,884.82 and 4,331.20 is: 5,976.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.14 : 9,884.82 = 4,331.20 : x
  2. Step 2: Convert to fraction form
    7,163.14/9,884.82 = 4,331.20/x
  3. Step 3: Cross multiply
    7,163.14x = 9,884.82 × 4,331.20
  4. Step 4: Simplify right side
    7,163.14x = 42,813,132.38
  5. Step 5: Solve for x
    x = 42,813,132.38/7,163.14
  6. Step 6: Final answer
    x = 5,976.87

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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.