Home / 8,152.56-11,249.46-5,163.12

Finding the Fourth Proportional to 8,152.56, 11,249.46 and 5,163.12

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Solution

The fourth proportional to 8,152.56, 11,249.46 and 5,163.12 is: 7,124.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.56 : 11,249.46 = 5,163.12 : x
  2. Step 2: Convert to fraction form
    8,152.56/11,249.46 = 5,163.12/x
  3. Step 3: Cross multiply
    8,152.56x = 11,249.46 × 5,163.12
  4. Step 4: Simplify right side
    8,152.56x = 58,082,311.92
  5. Step 5: Solve for x
    x = 58,082,311.92/8,152.56
  6. Step 6: Final answer
    x = 7,124.43

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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.