Home / 8,736.66-13,104.54-3,189.42

Finding the Fourth Proportional to 8,736.66, 13,104.54 and 3,189.42

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Solution

The fourth proportional to 8,736.66, 13,104.54 and 3,189.42 is: 4,783.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.66 : 13,104.54 = 3,189.42 : x
  2. Step 2: Convert to fraction form
    8,736.66/13,104.54 = 3,189.42/x
  3. Step 3: Cross multiply
    8,736.66x = 13,104.54 × 3,189.42
  4. Step 4: Simplify right side
    8,736.66x = 41,795,881.97
  5. Step 5: Solve for x
    x = 41,795,881.97/8,736.66
  6. Step 6: Final answer
    x = 4,783.97

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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.