Home / 8,080.49-12,114.19-3,634.89

Finding the Fourth Proportional to 8,080.49, 12,114.19 and 3,634.89

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Solution

The fourth proportional to 8,080.49, 12,114.19 and 3,634.89 is: 5,449.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.49 : 12,114.19 = 3,634.89 : x
  2. Step 2: Convert to fraction form
    8,080.49/12,114.19 = 3,634.89/x
  3. Step 3: Cross multiply
    8,080.49x = 12,114.19 × 3,634.89
  4. Step 4: Simplify right side
    8,080.49x = 44,033,748.09
  5. Step 5: Solve for x
    x = 44,033,748.09/8,080.49
  6. Step 6: Final answer
    x = 5,449.39

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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.