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Finding the Fourth Proportional to 8,281.09, 11,428.52 and 4,743.62

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Solution

The fourth proportional to 8,281.09, 11,428.52 and 4,743.62 is: 6,546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.09 : 11,428.52 = 4,743.62 : x
  2. Step 2: Convert to fraction form
    8,281.09/11,428.52 = 4,743.62/x
  3. Step 3: Cross multiply
    8,281.09x = 11,428.52 × 4,743.62
  4. Step 4: Simplify right side
    8,281.09x = 54,212,556.04
  5. Step 5: Solve for x
    x = 54,212,556.04/8,281.09
  6. Step 6: Final answer
    x = 6,546.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.