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Finding the Fourth Proportional to 8,010.60, 12,028.05 and 6,163.80

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Solution

The fourth proportional to 8,010.60, 12,028.05 and 6,163.80 is: 9,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.60 : 12,028.05 = 6,163.80 : x
  2. Step 2: Convert to fraction form
    8,010.60/12,028.05 = 6,163.80/x
  3. Step 3: Cross multiply
    8,010.60x = 12,028.05 × 6,163.80
  4. Step 4: Simplify right side
    8,010.60x = 74,138,494.59
  5. Step 5: Solve for x
    x = 74,138,494.59/8,010.60
  6. Step 6: Final answer
    x = 9,255.05

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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.