Home / 5,213.54-7,819.67-2,093.42

Finding the Fourth Proportional to 5,213.54, 7,819.67 and 2,093.42

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Solution

The fourth proportional to 5,213.54, 7,819.67 and 2,093.42 is: 3,139.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.54 : 7,819.67 = 2,093.42 : x
  2. Step 2: Convert to fraction form
    5,213.54/7,819.67 = 2,093.42/x
  3. Step 3: Cross multiply
    5,213.54x = 7,819.67 × 2,093.42
  4. Step 4: Simplify right side
    5,213.54x = 16,369,804.01
  5. Step 5: Solve for x
    x = 16,369,804.01/5,213.54
  6. Step 6: Final answer
    x = 3,139.87

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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.