Home / 7,882.76-11,819.84-3,925.34

Finding the Fourth Proportional to 7,882.76, 11,819.84 and 3,925.34

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Solution

The fourth proportional to 7,882.76, 11,819.84 and 3,925.34 is: 5,885.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.76 : 11,819.84 = 3,925.34 : x
  2. Step 2: Convert to fraction form
    7,882.76/11,819.84 = 3,925.34/x
  3. Step 3: Cross multiply
    7,882.76x = 11,819.84 × 3,925.34
  4. Step 4: Simplify right side
    7,882.76x = 46,396,890.75
  5. Step 5: Solve for x
    x = 46,396,890.75/7,882.76
  6. Step 6: Final answer
    x = 5,885.87

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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.