Home / 8,150.72-11,242.68-5,163.44

Finding the Fourth Proportional to 8,150.72, 11,242.68 and 5,163.44

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Solution

The fourth proportional to 8,150.72, 11,242.68 and 5,163.44 is: 7,122.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.72 : 11,242.68 = 5,163.44 : x
  2. Step 2: Convert to fraction form
    8,150.72/11,242.68 = 5,163.44/x
  3. Step 3: Cross multiply
    8,150.72x = 11,242.68 × 5,163.44
  4. Step 4: Simplify right side
    8,150.72x = 58,050,903.62
  5. Step 5: Solve for x
    x = 58,050,903.62/8,150.72
  6. Step 6: Final answer
    x = 7,122.18

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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.