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Finding the Fourth Proportional to 8,083.60, 12,125.37 and 2,240.21

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Solution

The fourth proportional to 8,083.60, 12,125.37 and 2,240.21 is: 3,360.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.60 : 12,125.37 = 2,240.21 : x
  2. Step 2: Convert to fraction form
    8,083.60/12,125.37 = 2,240.21/x
  3. Step 3: Cross multiply
    8,083.60x = 12,125.37 × 2,240.21
  4. Step 4: Simplify right side
    8,083.60x = 27,163,375.13
  5. Step 5: Solve for x
    x = 27,163,375.13/8,083.60
  6. Step 6: Final answer
    x = 3,360.31

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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.