Home / 9,278.91-13,918.37-2,704.95

Finding the Fourth Proportional to 9,278.91, 13,918.37 and 2,704.95

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Solution

The fourth proportional to 9,278.91, 13,918.37 and 2,704.95 is: 4,057.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.91 : 13,918.37 = 2,704.95 : x
  2. Step 2: Convert to fraction form
    9,278.91/13,918.37 = 2,704.95/x
  3. Step 3: Cross multiply
    9,278.91x = 13,918.37 × 2,704.95
  4. Step 4: Simplify right side
    9,278.91x = 37,648,481.41
  5. Step 5: Solve for x
    x = 37,648,481.41/9,278.91
  6. Step 6: Final answer
    x = 4,057.43

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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.