Home / 6,647.01-9,172.62-3,662.43

Finding the Fourth Proportional to 6,647.01, 9,172.62 and 3,662.43

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Solution

The fourth proportional to 6,647.01, 9,172.62 and 3,662.43 is: 5,054.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.01 : 9,172.62 = 3,662.43 : x
  2. Step 2: Convert to fraction form
    6,647.01/9,172.62 = 3,662.43/x
  3. Step 3: Cross multiply
    6,647.01x = 9,172.62 × 3,662.43
  4. Step 4: Simplify right side
    6,647.01x = 33,594,078.67
  5. Step 5: Solve for x
    x = 33,594,078.67/6,647.01
  6. Step 6: Final answer
    x = 5,054.01

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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.