Home / 7,176.64-10,757.76-2,791.36

Finding the Fourth Proportional to 7,176.64, 10,757.76 and 2,791.36

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Solution

The fourth proportional to 7,176.64, 10,757.76 and 2,791.36 is: 4,184.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.64 : 10,757.76 = 2,791.36 : x
  2. Step 2: Convert to fraction form
    7,176.64/10,757.76 = 2,791.36/x
  3. Step 3: Cross multiply
    7,176.64x = 10,757.76 × 2,791.36
  4. Step 4: Simplify right side
    7,176.64x = 30,028,780.95
  5. Step 5: Solve for x
    x = 30,028,780.95/7,176.64
  6. Step 6: Final answer
    x = 4,184.24

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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.