Home / 7,694.88-11,541.86-2,148.54

Finding the Fourth Proportional to 7,694.88, 11,541.86 and 2,148.54

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Solution

The fourth proportional to 7,694.88, 11,541.86 and 2,148.54 is: 3,222.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,694.88 : 11,541.86 = 2,148.54 : x
  2. Step 2: Convert to fraction form
    7,694.88/11,541.86 = 2,148.54/x
  3. Step 3: Cross multiply
    7,694.88x = 11,541.86 × 2,148.54
  4. Step 4: Simplify right side
    7,694.88x = 24,798,147.88
  5. Step 5: Solve for x
    x = 24,798,147.88/7,694.88
  6. Step 6: Final answer
    x = 3,222.68

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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.