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Finding the Fourth Proportional to 6,663.28, 9,195.28 and 3,679.09

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Solution

The fourth proportional to 6,663.28, 9,195.28 and 3,679.09 is: 5,077.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.28 : 9,195.28 = 3,679.09 : x
  2. Step 2: Convert to fraction form
    6,663.28/9,195.28 = 3,679.09/x
  3. Step 3: Cross multiply
    6,663.28x = 9,195.28 × 3,679.09
  4. Step 4: Simplify right side
    6,663.28x = 33,830,216.72
  5. Step 5: Solve for x
    x = 33,830,216.72/6,663.28
  6. Step 6: Final answer
    x = 5,077.12

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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.