Home / 8,736.30-13,104.49-2,162.47

Finding the Fourth Proportional to 8,736.30, 13,104.49 and 2,162.47

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Solution

The fourth proportional to 8,736.30, 13,104.49 and 2,162.47 is: 3,243.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.30 : 13,104.49 = 2,162.47 : x
  2. Step 2: Convert to fraction form
    8,736.30/13,104.49 = 2,162.47/x
  3. Step 3: Cross multiply
    8,736.30x = 13,104.49 × 2,162.47
  4. Step 4: Simplify right side
    8,736.30x = 28,338,066.49
  5. Step 5: Solve for x
    x = 28,338,066.49/8,736.30
  6. Step 6: Final answer
    x = 3,243.71

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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.