Home / 5,201.16-7,177.62-2,843.40

Finding the Fourth Proportional to 5,201.16, 7,177.62 and 2,843.40

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Solution

The fourth proportional to 5,201.16, 7,177.62 and 2,843.40 is: 3,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.16 : 7,177.62 = 2,843.40 : x
  2. Step 2: Convert to fraction form
    5,201.16/7,177.62 = 2,843.40/x
  3. Step 3: Cross multiply
    5,201.16x = 7,177.62 × 2,843.40
  4. Step 4: Simplify right side
    5,201.16x = 20,408,844.71
  5. Step 5: Solve for x
    x = 20,408,844.71/5,201.16
  6. Step 6: Final answer
    x = 3,923.90

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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.