Home / 6,911.12-10,367.94-2,749.80

Finding the Fourth Proportional to 6,911.12, 10,367.94 and 2,749.80

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Solution

The fourth proportional to 6,911.12, 10,367.94 and 2,749.80 is: 4,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.12 : 10,367.94 = 2,749.80 : x
  2. Step 2: Convert to fraction form
    6,911.12/10,367.94 = 2,749.80/x
  3. Step 3: Cross multiply
    6,911.12x = 10,367.94 × 2,749.80
  4. Step 4: Simplify right side
    6,911.12x = 28,509,761.41
  5. Step 5: Solve for x
    x = 28,509,761.41/6,911.12
  6. Step 6: Final answer
    x = 4,125.20

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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.