Home / 7,942.08-11,912.91-2,098.68

Finding the Fourth Proportional to 7,942.08, 11,912.91 and 2,098.68

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Solution

The fourth proportional to 7,942.08, 11,912.91 and 2,098.68 is: 3,147.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.08 : 11,912.91 = 2,098.68 : x
  2. Step 2: Convert to fraction form
    7,942.08/11,912.91 = 2,098.68/x
  3. Step 3: Cross multiply
    7,942.08x = 11,912.91 × 2,098.68
  4. Step 4: Simplify right side
    7,942.08x = 25,001,385.96
  5. Step 5: Solve for x
    x = 25,001,385.96/7,942.08
  6. Step 6: Final answer
    x = 3,147.96

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1.5x scale

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.