Home / 5,201.09-7,177.43-2,843.20

Finding the Fourth Proportional to 5,201.09, 7,177.43 and 2,843.20

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Solution

The fourth proportional to 5,201.09, 7,177.43 and 2,843.20 is: 3,923.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.09 : 7,177.43 = 2,843.20 : x
  2. Step 2: Convert to fraction form
    5,201.09/7,177.43 = 2,843.20/x
  3. Step 3: Cross multiply
    5,201.09x = 7,177.43 × 2,843.20
  4. Step 4: Simplify right side
    5,201.09x = 20,406,868.98
  5. Step 5: Solve for x
    x = 20,406,868.98/5,201.09
  6. Step 6: Final answer
    x = 3,923.58

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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.