Home / 5,203.20-7,805.80-2,241.60

Finding the Fourth Proportional to 5,203.20, 7,805.80 and 2,241.60

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Solution

The fourth proportional to 5,203.20, 7,805.80 and 2,241.60 is: 3,362.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.20 : 7,805.80 = 2,241.60 : x
  2. Step 2: Convert to fraction form
    5,203.20/7,805.80 = 2,241.60/x
  3. Step 3: Cross multiply
    5,203.20x = 7,805.80 × 2,241.60
  4. Step 4: Simplify right side
    5,203.20x = 17,497,481.28
  5. Step 5: Solve for x
    x = 17,497,481.28/5,203.20
  6. Step 6: Final answer
    x = 3,362.83

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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.