Home / 4,138.09-6,200.03-2,731.63

Finding the Fourth Proportional to 4,138.09, 6,200.03 and 2,731.63

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Solution

The fourth proportional to 4,138.09, 6,200.03 and 2,731.63 is: 4,092.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.09 : 6,200.03 = 2,731.63 : x
  2. Step 2: Convert to fraction form
    4,138.09/6,200.03 = 2,731.63/x
  3. Step 3: Cross multiply
    4,138.09x = 6,200.03 × 2,731.63
  4. Step 4: Simplify right side
    4,138.09x = 16,936,187.95
  5. Step 5: Solve for x
    x = 16,936,187.95/4,138.09
  6. Step 6: Final answer
    x = 4,092.75

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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.