Home / 5,556.82-8,326-3,909.91

Finding the Fourth Proportional to 5,556.82, 8,326 and 3,909.91

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Solution

The fourth proportional to 5,556.82, 8,326 and 3,909.91 is: 5,858.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.82 : 8,326 = 3,909.91 : x
  2. Step 2: Convert to fraction form
    5,556.82/8,326 = 3,909.91/x
  3. Step 3: Cross multiply
    5,556.82x = 8,326 × 3,909.91
  4. Step 4: Simplify right side
    5,556.82x = 32,553,910.66
  5. Step 5: Solve for x
    x = 32,553,910.66/5,556.82
  6. Step 6: Final answer
    x = 5,858.37

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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.