Home / 7,942.25-11,909.51-2,394.56

Finding the Fourth Proportional to 7,942.25, 11,909.51 and 2,394.56

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Solution

The fourth proportional to 7,942.25, 11,909.51 and 2,394.56 is: 3,590.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.25 : 11,909.51 = 2,394.56 : x
  2. Step 2: Convert to fraction form
    7,942.25/11,909.51 = 2,394.56/x
  3. Step 3: Cross multiply
    7,942.25x = 11,909.51 × 2,394.56
  4. Step 4: Simplify right side
    7,942.25x = 28,517,964.75
  5. Step 5: Solve for x
    x = 28,517,964.75/7,942.25
  6. Step 6: Final answer
    x = 3,590.67

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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.