Home / 4,023.78-6,031.96-2,791.78

Finding the Fourth Proportional to 4,023.78, 6,031.96 and 2,791.78

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Solution

The fourth proportional to 4,023.78, 6,031.96 and 2,791.78 is: 4,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,023.78 : 6,031.96 = 2,791.78 : x
  2. Step 2: Convert to fraction form
    4,023.78/6,031.96 = 2,791.78/x
  3. Step 3: Cross multiply
    4,023.78x = 6,031.96 × 2,791.78
  4. Step 4: Simplify right side
    4,023.78x = 16,839,905.29
  5. Step 5: Solve for x
    x = 16,839,905.29/4,023.78
  6. Step 6: Final answer
    x = 4,185.10

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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.