Home / 6,811.64-10,203.09-3,116.97

Finding the Fourth Proportional to 6,811.64, 10,203.09 and 3,116.97

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Solution

The fourth proportional to 6,811.64, 10,203.09 and 3,116.97 is: 4,668.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.64 : 10,203.09 = 3,116.97 : x
  2. Step 2: Convert to fraction form
    6,811.64/10,203.09 = 3,116.97/x
  3. Step 3: Cross multiply
    6,811.64x = 10,203.09 × 3,116.97
  4. Step 4: Simplify right side
    6,811.64x = 31,802,725.44
  5. Step 5: Solve for x
    x = 31,802,725.44/6,811.64
  6. Step 6: Final answer
    x = 4,668.88

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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.