Home / 6,664.30-9,196.54-3,679.92

Finding the Fourth Proportional to 6,664.30, 9,196.54 and 3,679.92

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Solution

The fourth proportional to 6,664.30, 9,196.54 and 3,679.92 is: 5,078.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.30 : 9,196.54 = 3,679.92 : x
  2. Step 2: Convert to fraction form
    6,664.30/9,196.54 = 3,679.92/x
  3. Step 3: Cross multiply
    6,664.30x = 9,196.54 × 3,679.92
  4. Step 4: Simplify right side
    6,664.30x = 33,842,531.48
  5. Step 5: Solve for x
    x = 33,842,531.48/6,664.30
  6. Step 6: Final answer
    x = 5,078.18

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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.