Home / 6,534.60-9,789.54-3,243.80

Finding the Fourth Proportional to 6,534.60, 9,789.54 and 3,243.80

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Solution

The fourth proportional to 6,534.60, 9,789.54 and 3,243.80 is: 4,859.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,534.60 : 9,789.54 = 3,243.80 : x
  2. Step 2: Convert to fraction form
    6,534.60/9,789.54 = 3,243.80/x
  3. Step 3: Cross multiply
    6,534.60x = 9,789.54 × 3,243.80
  4. Step 4: Simplify right side
    6,534.60x = 31,755,309.85
  5. Step 5: Solve for x
    x = 31,755,309.85/6,534.60
  6. Step 6: Final answer
    x = 4,859.56

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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.