Home / 6,664.28-9,196.66-3,680.09

Finding the Fourth Proportional to 6,664.28, 9,196.66 and 3,680.09

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Solution

The fourth proportional to 6,664.28, 9,196.66 and 3,680.09 is: 5,078.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.28 : 9,196.66 = 3,680.09 : x
  2. Step 2: Convert to fraction form
    6,664.28/9,196.66 = 3,680.09/x
  3. Step 3: Cross multiply
    6,664.28x = 9,196.66 × 3,680.09
  4. Step 4: Simplify right side
    6,664.28x = 33,844,536.50
  5. Step 5: Solve for x
    x = 33,844,536.50/6,664.28
  6. Step 6: Final answer
    x = 5,078.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.