Home / 7,939.55-11,908.40-2,096.61

Finding the Fourth Proportional to 7,939.55, 11,908.40 and 2,096.61

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Solution

The fourth proportional to 7,939.55, 11,908.40 and 2,096.61 is: 3,144.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.55 : 11,908.40 = 2,096.61 : x
  2. Step 2: Convert to fraction form
    7,939.55/11,908.40 = 2,096.61/x
  3. Step 3: Cross multiply
    7,939.55x = 11,908.40 × 2,096.61
  4. Step 4: Simplify right side
    7,939.55x = 24,967,260.04
  5. Step 5: Solve for x
    x = 24,967,260.04/7,939.55
  6. Step 6: Final answer
    x = 3,144.67

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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.