Home / 7,912.91-11,869.50-2,366.34

Finding the Fourth Proportional to 7,912.91, 11,869.50 and 2,366.34

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Solution

The fourth proportional to 7,912.91, 11,869.50 and 2,366.34 is: 3,549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.91 : 11,869.50 = 2,366.34 : x
  2. Step 2: Convert to fraction form
    7,912.91/11,869.50 = 2,366.34/x
  3. Step 3: Cross multiply
    7,912.91x = 11,869.50 × 2,366.34
  4. Step 4: Simplify right side
    7,912.91x = 28,087,236.99
  5. Step 5: Solve for x
    x = 28,087,236.99/7,912.91
  6. Step 6: Final answer
    x = 3,549.54

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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.