Home / 5,214.44-7,821.66-3,161.96

Finding the Fourth Proportional to 5,214.44, 7,821.66 and 3,161.96

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Solution

The fourth proportional to 5,214.44, 7,821.66 and 3,161.96 is: 4,742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.44 : 7,821.66 = 3,161.96 : x
  2. Step 2: Convert to fraction form
    5,214.44/7,821.66 = 3,161.96/x
  3. Step 3: Cross multiply
    5,214.44x = 7,821.66 × 3,161.96
  4. Step 4: Simplify right side
    5,214.44x = 24,731,776.05
  5. Step 5: Solve for x
    x = 24,731,776.05/5,214.44
  6. Step 6: Final answer
    x = 4,742.94

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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.