Home / 4,072.05-5,625.99-3,080.61

Finding the Fourth Proportional to 4,072.05, 5,625.99 and 3,080.61

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Solution

The fourth proportional to 4,072.05, 5,625.99 and 3,080.61 is: 4,256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.05 : 5,625.99 = 3,080.61 : x
  2. Step 2: Convert to fraction form
    4,072.05/5,625.99 = 3,080.61/x
  3. Step 3: Cross multiply
    4,072.05x = 5,625.99 × 3,080.61
  4. Step 4: Simplify right side
    4,072.05x = 17,331,481.05
  5. Step 5: Solve for x
    x = 17,331,481.05/4,072.05
  6. Step 6: Final answer
    x = 4,256.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.