Home / 7,914.72-11,872.10-2,983.02

Finding the Fourth Proportional to 7,914.72, 11,872.10 and 2,983.02

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Solution

The fourth proportional to 7,914.72, 11,872.10 and 2,983.02 is: 4,474.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.72 : 11,872.10 = 2,983.02 : x
  2. Step 2: Convert to fraction form
    7,914.72/11,872.10 = 2,983.02/x
  3. Step 3: Cross multiply
    7,914.72x = 11,872.10 × 2,983.02
  4. Step 4: Simplify right side
    7,914.72x = 35,414,711.74
  5. Step 5: Solve for x
    x = 35,414,711.74/7,914.72
  6. Step 6: Final answer
    x = 4,474.54

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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.