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Finding the Fourth Proportional to 5,879.79, 8,837.10 and 3,912.10

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Solution

The fourth proportional to 5,879.79, 8,837.10 and 3,912.10 is: 5,879.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.79 : 8,837.10 = 3,912.10 : x
  2. Step 2: Convert to fraction form
    5,879.79/8,837.10 = 3,912.10/x
  3. Step 3: Cross multiply
    5,879.79x = 8,837.10 × 3,912.10
  4. Step 4: Simplify right side
    5,879.79x = 34,571,596.82
  5. Step 5: Solve for x
    x = 34,571,596.82/5,879.79
  6. Step 6: Final answer
    x = 5,879.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.