Home / 5,201.24-7,177.69-2,843.38

Finding the Fourth Proportional to 5,201.24, 7,177.69 and 2,843.38

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Solution

The fourth proportional to 5,201.24, 7,177.69 and 2,843.38 is: 3,923.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.24 : 7,177.69 = 2,843.38 : x
  2. Step 2: Convert to fraction form
    5,201.24/7,177.69 = 2,843.38/x
  3. Step 3: Cross multiply
    5,201.24x = 7,177.69 × 2,843.38
  4. Step 4: Simplify right side
    5,201.24x = 20,408,900.19
  5. Step 5: Solve for x
    x = 20,408,900.19/5,201.24
  6. Step 6: Final answer
    x = 3,923.85

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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.