Home / 6,110.31-9,166.61-2,778.81

Finding the Fourth Proportional to 6,110.31, 9,166.61 and 2,778.81

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Solution

The fourth proportional to 6,110.31, 9,166.61 and 2,778.81 is: 4,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,110.31 : 9,166.61 = 2,778.81 : x
  2. Step 2: Convert to fraction form
    6,110.31/9,166.61 = 2,778.81/x
  3. Step 3: Cross multiply
    6,110.31x = 9,166.61 × 2,778.81
  4. Step 4: Simplify right side
    6,110.31x = 25,472,253.64
  5. Step 5: Solve for x
    x = 25,472,253.64/6,110.31
  6. Step 6: Final answer
    x = 4,168.73

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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.