Home / 7,694.24-11,541.36-2,147.60

Finding the Fourth Proportional to 7,694.24, 11,541.36 and 2,147.60

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Solution

The fourth proportional to 7,694.24, 11,541.36 and 2,147.60 is: 3,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,694.24 : 11,541.36 = 2,147.60 : x
  2. Step 2: Convert to fraction form
    7,694.24/11,541.36 = 2,147.60/x
  3. Step 3: Cross multiply
    7,694.24x = 11,541.36 × 2,147.60
  4. Step 4: Simplify right side
    7,694.24x = 24,786,224.74
  5. Step 5: Solve for x
    x = 24,786,224.74/7,694.24
  6. Step 6: Final answer
    x = 3,221.40

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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.