Home / 6,480.11-9,721.70-2,097.56

Finding the Fourth Proportional to 6,480.11, 9,721.70 and 2,097.56

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Solution

The fourth proportional to 6,480.11, 9,721.70 and 2,097.56 is: 3,146.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.11 : 9,721.70 = 2,097.56 : x
  2. Step 2: Convert to fraction form
    6,480.11/9,721.70 = 2,097.56/x
  3. Step 3: Cross multiply
    6,480.11x = 9,721.70 × 2,097.56
  4. Step 4: Simplify right side
    6,480.11x = 20,391,849.05
  5. Step 5: Solve for x
    x = 20,391,849.05/6,480.11
  6. Step 6: Final answer
    x = 3,146.84

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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.