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Finding the Fourth Proportional to 6,579.44, 9,079.36 and 3,892.40

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Solution

The fourth proportional to 6,579.44, 9,079.36 and 3,892.40 is: 5,371.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.44 : 9,079.36 = 3,892.40 : x
  2. Step 2: Convert to fraction form
    6,579.44/9,079.36 = 3,892.40/x
  3. Step 3: Cross multiply
    6,579.44x = 9,079.36 × 3,892.40
  4. Step 4: Simplify right side
    6,579.44x = 35,340,481.40
  5. Step 5: Solve for x
    x = 35,340,481.40/6,579.44
  6. Step 6: Final answer
    x = 5,371.35

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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.