Home / 7,451.52-11,174.22-2,771.82

Finding the Fourth Proportional to 7,451.52, 11,174.22 and 2,771.82

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Solution

The fourth proportional to 7,451.52, 11,174.22 and 2,771.82 is: 4,156.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.52 : 11,174.22 = 2,771.82 : x
  2. Step 2: Convert to fraction form
    7,451.52/11,174.22 = 2,771.82/x
  3. Step 3: Cross multiply
    7,451.52x = 11,174.22 × 2,771.82
  4. Step 4: Simplify right side
    7,451.52x = 30,972,926.48
  5. Step 5: Solve for x
    x = 30,972,926.48/7,451.52
  6. Step 6: Final answer
    x = 4,156.59

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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.