Home / 7,984.75-11,977.32-2,438.14

Finding the Fourth Proportional to 7,984.75, 11,977.32 and 2,438.14

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Solution

The fourth proportional to 7,984.75, 11,977.32 and 2,438.14 is: 3,657.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.75 : 11,977.32 = 2,438.14 : x
  2. Step 2: Convert to fraction form
    7,984.75/11,977.32 = 2,438.14/x
  3. Step 3: Cross multiply
    7,984.75x = 11,977.32 × 2,438.14
  4. Step 4: Simplify right side
    7,984.75x = 29,202,382.98
  5. Step 5: Solve for x
    x = 29,202,382.98/7,984.75
  6. Step 6: Final answer
    x = 3,657.27

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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.