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Finding the Fourth Proportional to 5,049.36, 6,967.62 and 2,811.15

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Solution

The fourth proportional to 5,049.36, 6,967.62 and 2,811.15 is: 3,879.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.36 : 6,967.62 = 2,811.15 : x
  2. Step 2: Convert to fraction form
    5,049.36/6,967.62 = 2,811.15/x
  3. Step 3: Cross multiply
    5,049.36x = 6,967.62 × 2,811.15
  4. Step 4: Simplify right side
    5,049.36x = 19,587,024.96
  5. Step 5: Solve for x
    x = 19,587,024.96/5,049.36
  6. Step 6: Final answer
    x = 3,879.11

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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.