Home / 6,664.20-9,196.67-3,679.98

Finding the Fourth Proportional to 6,664.20, 9,196.67 and 3,679.98

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Solution

The fourth proportional to 6,664.20, 9,196.67 and 3,679.98 is: 5,078.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.20 : 9,196.67 = 3,679.98 : x
  2. Step 2: Convert to fraction form
    6,664.20/9,196.67 = 3,679.98/x
  3. Step 3: Cross multiply
    6,664.20x = 9,196.67 × 3,679.98
  4. Step 4: Simplify right side
    6,664.20x = 33,843,543.27
  5. Step 5: Solve for x
    x = 33,843,543.27/6,664.20
  6. Step 6: Final answer
    x = 5,078.41

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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.