Home / 5,177.43-7,145.96-3,161.27

Finding the Fourth Proportional to 5,177.43, 7,145.96 and 3,161.27

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Solution

The fourth proportional to 5,177.43, 7,145.96 and 3,161.27 is: 4,363.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.43 : 7,145.96 = 3,161.27 : x
  2. Step 2: Convert to fraction form
    5,177.43/7,145.96 = 3,161.27/x
  3. Step 3: Cross multiply
    5,177.43x = 7,145.96 × 3,161.27
  4. Step 4: Simplify right side
    5,177.43x = 22,590,311.03
  5. Step 5: Solve for x
    x = 22,590,311.03/5,177.43
  6. Step 6: Final answer
    x = 4,363.23

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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.