Home / 5,619.55-7,751.82-3,261.37

Finding the Fourth Proportional to 5,619.55, 7,751.82 and 3,261.37

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Solution

The fourth proportional to 5,619.55, 7,751.82 and 3,261.37 is: 4,498.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.55 : 7,751.82 = 3,261.37 : x
  2. Step 2: Convert to fraction form
    5,619.55/7,751.82 = 3,261.37/x
  3. Step 3: Cross multiply
    5,619.55x = 7,751.82 × 3,261.37
  4. Step 4: Simplify right side
    5,619.55x = 25,281,553.19
  5. Step 5: Solve for x
    x = 25,281,553.19/5,619.55
  6. Step 6: Final answer
    x = 4,498.86

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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.