Home / 7,747.52-11,622.24-2,556.80

Finding the Fourth Proportional to 7,747.52, 11,622.24 and 2,556.80

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Solution

The fourth proportional to 7,747.52, 11,622.24 and 2,556.80 is: 3,835.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.52 : 11,622.24 = 2,556.80 : x
  2. Step 2: Convert to fraction form
    7,747.52/11,622.24 = 2,556.80/x
  3. Step 3: Cross multiply
    7,747.52x = 11,622.24 × 2,556.80
  4. Step 4: Simplify right side
    7,747.52x = 29,715,743.23
  5. Step 5: Solve for x
    x = 29,715,743.23/7,747.52
  6. Step 6: Final answer
    x = 3,835.52

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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.