Home / 5,168.87-7,133.19-3,180.59

Finding the Fourth Proportional to 5,168.87, 7,133.19 and 3,180.59

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Solution

The fourth proportional to 5,168.87, 7,133.19 and 3,180.59 is: 4,389.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.87 : 7,133.19 = 3,180.59 : x
  2. Step 2: Convert to fraction form
    5,168.87/7,133.19 = 3,180.59/x
  3. Step 3: Cross multiply
    5,168.87x = 7,133.19 × 3,180.59
  4. Step 4: Simplify right side
    5,168.87x = 22,687,752.78
  5. Step 5: Solve for x
    x = 22,687,752.78/5,168.87
  6. Step 6: Final answer
    x = 4,389.31

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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.