Home / 6,647.19-9,172.98-3,662.95

Finding the Fourth Proportional to 6,647.19, 9,172.98 and 3,662.95

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Solution

The fourth proportional to 6,647.19, 9,172.98 and 3,662.95 is: 5,054.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.19 : 9,172.98 = 3,662.95 : x
  2. Step 2: Convert to fraction form
    6,647.19/9,172.98 = 3,662.95/x
  3. Step 3: Cross multiply
    6,647.19x = 9,172.98 × 3,662.95
  4. Step 4: Simplify right side
    6,647.19x = 33,600,167.09
  5. Step 5: Solve for x
    x = 33,600,167.09/6,647.19
  6. Step 6: Final answer
    x = 5,054.79

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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.