Home / 7,942.98-11,914.39-2,019.88

Finding the Fourth Proportional to 7,942.98, 11,914.39 and 2,019.88

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Solution

The fourth proportional to 7,942.98, 11,914.39 and 2,019.88 is: 3,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.98 : 11,914.39 = 2,019.88 : x
  2. Step 2: Convert to fraction form
    7,942.98/11,914.39 = 2,019.88/x
  3. Step 3: Cross multiply
    7,942.98x = 11,914.39 × 2,019.88
  4. Step 4: Simplify right side
    7,942.98x = 24,065,638.07
  5. Step 5: Solve for x
    x = 24,065,638.07/7,942.98
  6. Step 6: Final answer
    x = 3,029.80

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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.