Home / 7,962.57-11,943.99-2,119.14

Finding the Fourth Proportional to 7,962.57, 11,943.99 and 2,119.14

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Solution

The fourth proportional to 7,962.57, 11,943.99 and 2,119.14 is: 3,178.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.57 : 11,943.99 = 2,119.14 : x
  2. Step 2: Convert to fraction form
    7,962.57/11,943.99 = 2,119.14/x
  3. Step 3: Cross multiply
    7,962.57x = 11,943.99 × 2,119.14
  4. Step 4: Simplify right side
    7,962.57x = 25,310,986.97
  5. Step 5: Solve for x
    x = 25,310,986.97/7,962.57
  6. Step 6: Final answer
    x = 3,178.75

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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.