Home / 5,214.12-7,809.29-3,261.48

Finding the Fourth Proportional to 5,214.12, 7,809.29 and 3,261.48

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Solution

The fourth proportional to 5,214.12, 7,809.29 and 3,261.48 is: 4,884.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.12 : 7,809.29 = 3,261.48 : x
  2. Step 2: Convert to fraction form
    5,214.12/7,809.29 = 3,261.48/x
  3. Step 3: Cross multiply
    5,214.12x = 7,809.29 × 3,261.48
  4. Step 4: Simplify right side
    5,214.12x = 25,469,826.84
  5. Step 5: Solve for x
    x = 25,469,826.84/5,214.12
  6. Step 6: Final answer
    x = 4,884.78

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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.