Home / 6,647.21-9,963.97-2,951.18

Finding the Fourth Proportional to 6,647.21, 9,963.97 and 2,951.18

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Solution

The fourth proportional to 6,647.21, 9,963.97 and 2,951.18 is: 4,423.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.21 : 9,963.97 = 2,951.18 : x
  2. Step 2: Convert to fraction form
    6,647.21/9,963.97 = 2,951.18/x
  3. Step 3: Cross multiply
    6,647.21x = 9,963.97 × 2,951.18
  4. Step 4: Simplify right side
    6,647.21x = 29,405,468.98
  5. Step 5: Solve for x
    x = 29,405,468.98/6,647.21
  6. Step 6: Final answer
    x = 4,423.73

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1.5x scale

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.