Home / 6,647.12-9,967.16-2,028.88

Finding the Fourth Proportional to 6,647.12, 9,967.16 and 2,028.88

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Solution

The fourth proportional to 6,647.12, 9,967.16 and 2,028.88 is: 3,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.12 : 9,967.16 = 2,028.88 : x
  2. Step 2: Convert to fraction form
    6,647.12/9,967.16 = 2,028.88/x
  3. Step 3: Cross multiply
    6,647.12x = 9,967.16 × 2,028.88
  4. Step 4: Simplify right side
    6,647.12x = 20,222,171.58
  5. Step 5: Solve for x
    x = 20,222,171.58/6,647.12
  6. Step 6: Final answer
    x = 3,042.25

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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.