Home / 5,419.22-8,120.32-3,226.75

Finding the Fourth Proportional to 5,419.22, 8,120.32 and 3,226.75

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Solution

The fourth proportional to 5,419.22, 8,120.32 and 3,226.75 is: 4,835.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.22 : 8,120.32 = 3,226.75 : x
  2. Step 2: Convert to fraction form
    5,419.22/8,120.32 = 3,226.75/x
  3. Step 3: Cross multiply
    5,419.22x = 8,120.32 × 3,226.75
  4. Step 4: Simplify right side
    5,419.22x = 26,202,214.19
  5. Step 5: Solve for x
    x = 26,202,214.19/5,419.22
  6. Step 6: Final answer
    x = 4,835.06

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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.