Home / 6,188.40-9,279.99-2,629.08

Finding the Fourth Proportional to 6,188.40, 9,279.99 and 2,629.08

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Solution

The fourth proportional to 6,188.40, 9,279.99 and 2,629.08 is: 3,942.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,188.40 : 9,279.99 = 2,629.08 : x
  2. Step 2: Convert to fraction form
    6,188.40/9,279.99 = 2,629.08/x
  3. Step 3: Cross multiply
    6,188.40x = 9,279.99 × 2,629.08
  4. Step 4: Simplify right side
    6,188.40x = 24,397,836.11
  5. Step 5: Solve for x
    x = 24,397,836.11/6,188.40
  6. Step 6: Final answer
    x = 3,942.51

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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.