Home / 6,110.80-9,167.34-2,821.72

Finding the Fourth Proportional to 6,110.80, 9,167.34 and 2,821.72

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Solution

The fourth proportional to 6,110.80, 9,167.34 and 2,821.72 is: 4,233.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,110.80 : 9,167.34 = 2,821.72 : x
  2. Step 2: Convert to fraction form
    6,110.80/9,167.34 = 2,821.72/x
  3. Step 3: Cross multiply
    6,110.80x = 9,167.34 × 2,821.72
  4. Step 4: Simplify right side
    6,110.80x = 25,867,666.62
  5. Step 5: Solve for x
    x = 25,867,666.62/6,110.80
  6. Step 6: Final answer
    x = 4,233.11

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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.