Home / 6,647.22-9,974.64-3,360.58

Finding the Fourth Proportional to 6,647.22, 9,974.64 and 3,360.58

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Solution

The fourth proportional to 6,647.22, 9,974.64 and 3,360.58 is: 5,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.22 : 9,974.64 = 3,360.58 : x
  2. Step 2: Convert to fraction form
    6,647.22/9,974.64 = 3,360.58/x
  3. Step 3: Cross multiply
    6,647.22x = 9,974.64 × 3,360.58
  4. Step 4: Simplify right side
    6,647.22x = 33,520,575.69
  5. Step 5: Solve for x
    x = 33,520,575.69/6,647.22
  6. Step 6: Final answer
    x = 5,042.80

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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.