Home / 6,986.43-10,481.76-2,825.64

Finding the Fourth Proportional to 6,986.43, 10,481.76 and 2,825.64

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Solution

The fourth proportional to 6,986.43, 10,481.76 and 2,825.64 is: 4,239.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.43 : 10,481.76 = 2,825.64 : x
  2. Step 2: Convert to fraction form
    6,986.43/10,481.76 = 2,825.64/x
  3. Step 3: Cross multiply
    6,986.43x = 10,481.76 × 2,825.64
  4. Step 4: Simplify right side
    6,986.43x = 29,617,680.33
  5. Step 5: Solve for x
    x = 29,617,680.33/6,986.43
  6. Step 6: Final answer
    x = 4,239.32

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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.