Home / 7,822.89-11,734.38-3,926.43

Finding the Fourth Proportional to 7,822.89, 11,734.38 and 3,926.43

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Solution

The fourth proportional to 7,822.89, 11,734.38 and 3,926.43 is: 5,889.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.89 : 11,734.38 = 3,926.43 : x
  2. Step 2: Convert to fraction form
    7,822.89/11,734.38 = 3,926.43/x
  3. Step 3: Cross multiply
    7,822.89x = 11,734.38 × 3,926.43
  4. Step 4: Simplify right side
    7,822.89x = 46,074,221.66
  5. Step 5: Solve for x
    x = 46,074,221.66/7,822.89
  6. Step 6: Final answer
    x = 5,889.67

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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.