Home / 7,942.41-11,914.04-2,098.86

Finding the Fourth Proportional to 7,942.41, 11,914.04 and 2,098.86

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Solution

The fourth proportional to 7,942.41, 11,914.04 and 2,098.86 is: 3,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.41 : 11,914.04 = 2,098.86 : x
  2. Step 2: Convert to fraction form
    7,942.41/11,914.04 = 2,098.86/x
  3. Step 3: Cross multiply
    7,942.41x = 11,914.04 × 2,098.86
  4. Step 4: Simplify right side
    7,942.41x = 25,005,901.99
  5. Step 5: Solve for x
    x = 25,005,901.99/7,942.41
  6. Step 6: Final answer
    x = 3,148.40

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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.