Home / 6,108.49-9,162.72-2,211.99

Finding the Fourth Proportional to 6,108.49, 9,162.72 and 2,211.99

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Solution

The fourth proportional to 6,108.49, 9,162.72 and 2,211.99 is: 3,317.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.49 : 9,162.72 = 2,211.99 : x
  2. Step 2: Convert to fraction form
    6,108.49/9,162.72 = 2,211.99/x
  3. Step 3: Cross multiply
    6,108.49x = 9,162.72 × 2,211.99
  4. Step 4: Simplify right side
    6,108.49x = 20,267,845.01
  5. Step 5: Solve for x
    x = 20,267,845.01/6,108.49
  6. Step 6: Final answer
    x = 3,317.98

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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.