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Finding the Fourth Proportional to 5,374.90, 8,059.44 and 2,087.11

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Solution

The fourth proportional to 5,374.90, 8,059.44 and 2,087.11 is: 3,129.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.90 : 8,059.44 = 2,087.11 : x
  2. Step 2: Convert to fraction form
    5,374.90/8,059.44 = 2,087.11/x
  3. Step 3: Cross multiply
    5,374.90x = 8,059.44 × 2,087.11
  4. Step 4: Simplify right side
    5,374.90x = 16,820,937.82
  5. Step 5: Solve for x
    x = 16,820,937.82/5,374.90
  6. Step 6: Final answer
    x = 3,129.54

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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.