Home / 6,540.20-9,806.52-2,156.48

Finding the Fourth Proportional to 6,540.20, 9,806.52 and 2,156.48

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Solution

The fourth proportional to 6,540.20, 9,806.52 and 2,156.48 is: 3,233.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.20 : 9,806.52 = 2,156.48 : x
  2. Step 2: Convert to fraction form
    6,540.20/9,806.52 = 2,156.48/x
  3. Step 3: Cross multiply
    6,540.20x = 9,806.52 × 2,156.48
  4. Step 4: Simplify right side
    6,540.20x = 21,147,564.25
  5. Step 5: Solve for x
    x = 21,147,564.25/6,540.20
  6. Step 6: Final answer
    x = 3,233.47

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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.