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Finding the Fourth Proportional to 5,879.48, 8,112.78 and 3,395

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Solution

The fourth proportional to 5,879.48, 8,112.78 and 3,395 is: 4,684.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.48 : 8,112.78 = 3,395 : x
  2. Step 2: Convert to fraction form
    5,879.48/8,112.78 = 3,395/x
  3. Step 3: Cross multiply
    5,879.48x = 8,112.78 × 3,395
  4. Step 4: Simplify right side
    5,879.48x = 27,542,888.10
  5. Step 5: Solve for x
    x = 27,542,888.10/5,879.48
  6. Step 6: Final answer
    x = 4,684.58

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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.