Home / 8,109.36-12,163.97-2,562.70

Finding the Fourth Proportional to 8,109.36, 12,163.97 and 2,562.70

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Solution

The fourth proportional to 8,109.36, 12,163.97 and 2,562.70 is: 3,844.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.36 : 12,163.97 = 2,562.70 : x
  2. Step 2: Convert to fraction form
    8,109.36/12,163.97 = 2,562.70/x
  3. Step 3: Cross multiply
    8,109.36x = 12,163.97 × 2,562.70
  4. Step 4: Simplify right side
    8,109.36x = 31,172,605.92
  5. Step 5: Solve for x
    x = 31,172,605.92/8,109.36
  6. Step 6: Final answer
    x = 3,844.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.