Home / 4,120.88-6,181.32-2,736.92

Finding the Fourth Proportional to 4,120.88, 6,181.32 and 2,736.92

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Solution

The fourth proportional to 4,120.88, 6,181.32 and 2,736.92 is: 4,105.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.88 : 6,181.32 = 2,736.92 : x
  2. Step 2: Convert to fraction form
    4,120.88/6,181.32 = 2,736.92/x
  3. Step 3: Cross multiply
    4,120.88x = 6,181.32 × 2,736.92
  4. Step 4: Simplify right side
    4,120.88x = 16,917,796.32
  5. Step 5: Solve for x
    x = 16,917,796.32/4,120.88
  6. Step 6: Final answer
    x = 4,105.38

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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.