Home / 5,556.80-7,667.26-3,317.86

Finding the Fourth Proportional to 5,556.80, 7,667.26 and 3,317.86

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Solution

The fourth proportional to 5,556.80, 7,667.26 and 3,317.86 is: 4,577.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.80 : 7,667.26 = 3,317.86 : x
  2. Step 2: Convert to fraction form
    5,556.80/7,667.26 = 3,317.86/x
  3. Step 3: Cross multiply
    5,556.80x = 7,667.26 × 3,317.86
  4. Step 4: Simplify right side
    5,556.80x = 25,438,896.55
  5. Step 5: Solve for x
    x = 25,438,896.55/5,556.80
  6. Step 6: Final answer
    x = 4,577.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.