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Finding the Fourth Proportional to 5,049.84, 6,968.56 and 2,811.52

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Solution

The fourth proportional to 5,049.84, 6,968.56 and 2,811.52 is: 3,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.84 : 6,968.56 = 2,811.52 : x
  2. Step 2: Convert to fraction form
    5,049.84/6,968.56 = 2,811.52/x
  3. Step 3: Cross multiply
    5,049.84x = 6,968.56 × 2,811.52
  4. Step 4: Simplify right side
    5,049.84x = 19,592,245.81
  5. Step 5: Solve for x
    x = 19,592,245.81/5,049.84
  6. Step 6: Final answer
    x = 3,879.78

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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.