Home / 8,168.88-11,270.80-5,183.24

Finding the Fourth Proportional to 8,168.88, 11,270.80 and 5,183.24

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Solution

The fourth proportional to 8,168.88, 11,270.80 and 5,183.24 is: 7,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.88 : 11,270.80 = 5,183.24 : x
  2. Step 2: Convert to fraction form
    8,168.88/11,270.80 = 5,183.24/x
  3. Step 3: Cross multiply
    8,168.88x = 11,270.80 × 5,183.24
  4. Step 4: Simplify right side
    8,168.88x = 58,419,261.39
  5. Step 5: Solve for x
    x = 58,419,261.39/8,168.88
  6. Step 6: Final answer
    x = 7,151.44

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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.