Home / 6,120.30-9,166.05-4,161.90

Finding the Fourth Proportional to 6,120.30, 9,166.05 and 4,161.90

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Solution

The fourth proportional to 6,120.30, 9,166.05 and 4,161.90 is: 6,233.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.30 : 9,166.05 = 4,161.90 : x
  2. Step 2: Convert to fraction form
    6,120.30/9,166.05 = 4,161.90/x
  3. Step 3: Cross multiply
    6,120.30x = 9,166.05 × 4,161.90
  4. Step 4: Simplify right side
    6,120.30x = 38,148,183.50
  5. Step 5: Solve for x
    x = 38,148,183.50/6,120.30
  6. Step 6: Final answer
    x = 6,233.06

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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.