Home / 8,108.85-12,163.28-2,562.76

Finding the Fourth Proportional to 8,108.85, 12,163.28 and 2,562.76

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Solution

The fourth proportional to 8,108.85, 12,163.28 and 2,562.76 is: 3,844.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.85 : 12,163.28 = 2,562.76 : x
  2. Step 2: Convert to fraction form
    8,108.85/12,163.28 = 2,562.76/x
  3. Step 3: Cross multiply
    8,108.85x = 12,163.28 × 2,562.76
  4. Step 4: Simplify right side
    8,108.85x = 31,171,567.45
  5. Step 5: Solve for x
    x = 31,171,567.45/8,108.85
  6. Step 6: Final answer
    x = 3,844.14

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Double scale
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Similar ratio
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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.