Home / 5,170.92-7,135.83-2,813.07

Finding the Fourth Proportional to 5,170.92, 7,135.83 and 2,813.07

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Solution

The fourth proportional to 5,170.92, 7,135.83 and 2,813.07 is: 3,882.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.92 : 7,135.83 = 2,813.07 : x
  2. Step 2: Convert to fraction form
    5,170.92/7,135.83 = 2,813.07/x
  3. Step 3: Cross multiply
    5,170.92x = 7,135.83 × 2,813.07
  4. Step 4: Simplify right side
    5,170.92x = 20,073,553.62
  5. Step 5: Solve for x
    x = 20,073,553.62/5,170.92
  6. Step 6: Final answer
    x = 3,882.01

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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.