Home / 8,126.82-12,190.43-2,504.61

Finding the Fourth Proportional to 8,126.82, 12,190.43 and 2,504.61

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Solution

The fourth proportional to 8,126.82, 12,190.43 and 2,504.61 is: 3,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.82 : 12,190.43 = 2,504.61 : x
  2. Step 2: Convert to fraction form
    8,126.82/12,190.43 = 2,504.61/x
  3. Step 3: Cross multiply
    8,126.82x = 12,190.43 × 2,504.61
  4. Step 4: Simplify right side
    8,126.82x = 30,532,272.88
  5. Step 5: Solve for x
    x = 30,532,272.88/8,126.82
  6. Step 6: Final answer
    x = 3,756.98

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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.