Home / 7,694.55-11,539.92-2,147.67

Finding the Fourth Proportional to 7,694.55, 11,539.92 and 2,147.67

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Solution

The fourth proportional to 7,694.55, 11,539.92 and 2,147.67 is: 3,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,694.55 : 11,539.92 = 2,147.67 : x
  2. Step 2: Convert to fraction form
    7,694.55/11,539.92 = 2,147.67/x
  3. Step 3: Cross multiply
    7,694.55x = 11,539.92 × 2,147.67
  4. Step 4: Simplify right side
    7,694.55x = 24,783,939.99
  5. Step 5: Solve for x
    x = 24,783,939.99/7,694.55
  6. Step 6: Final answer
    x = 3,220.97

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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.