Home / 8,314.25-12,474.33-5,190.64

Finding the Fourth Proportional to 8,314.25, 12,474.33 and 5,190.64

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Solution

The fourth proportional to 8,314.25, 12,474.33 and 5,190.64 is: 7,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,314.25 : 12,474.33 = 5,190.64 : x
  2. Step 2: Convert to fraction form
    8,314.25/12,474.33 = 5,190.64/x
  3. Step 3: Cross multiply
    8,314.25x = 12,474.33 × 5,190.64
  4. Step 4: Simplify right side
    8,314.25x = 64,749,755.30
  5. Step 5: Solve for x
    x = 64,749,755.30/8,314.25
  6. Step 6: Final answer
    x = 7,787.80

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Why These Related Problems?

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