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Finding the Fourth Proportional to 5,049.36, 6,967.91 and 2,811.18

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Solution

The fourth proportional to 5,049.36, 6,967.91 and 2,811.18 is: 3,879.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.36 : 6,967.91 = 2,811.18 : x
  2. Step 2: Convert to fraction form
    5,049.36/6,967.91 = 2,811.18/x
  3. Step 3: Cross multiply
    5,049.36x = 6,967.91 × 2,811.18
  4. Step 4: Simplify right side
    5,049.36x = 19,588,049.23
  5. Step 5: Solve for x
    x = 19,588,049.23/5,049.36
  6. Step 6: Final answer
    x = 3,879.31

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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.