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Finding the Fourth Proportional to 8,394.54, 11,571.56 and 7,049.53

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Solution

The fourth proportional to 8,394.54, 11,571.56 and 7,049.53 is: 9,717.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.54 : 11,571.56 = 7,049.53 : x
  2. Step 2: Convert to fraction form
    8,394.54/11,571.56 = 7,049.53/x
  3. Step 3: Cross multiply
    8,394.54x = 11,571.56 × 7,049.53
  4. Step 4: Simplify right side
    8,394.54x = 81,574,065.02
  5. Step 5: Solve for x
    x = 81,574,065.02/8,394.54
  6. Step 6: Final answer
    x = 9,717.52

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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.