Home / 4,638.68-6,959.79-2,791.10

Finding the Fourth Proportional to 4,638.68, 6,959.79 and 2,791.10

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Solution

The fourth proportional to 4,638.68, 6,959.79 and 2,791.10 is: 4,187.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.68 : 6,959.79 = 2,791.10 : x
  2. Step 2: Convert to fraction form
    4,638.68/6,959.79 = 2,791.10/x
  3. Step 3: Cross multiply
    4,638.68x = 6,959.79 × 2,791.10
  4. Step 4: Simplify right side
    4,638.68x = 19,425,487.27
  5. Step 5: Solve for x
    x = 19,425,487.27/4,638.68
  6. Step 6: Final answer
    x = 4,187.72

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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.