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Finding the Fourth Proportional to 6,469.47, 9,704.41 and 2,087.37

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Solution

The fourth proportional to 6,469.47, 9,704.41 and 2,087.37 is: 3,131.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469.47 : 9,704.41 = 2,087.37 : x
  2. Step 2: Convert to fraction form
    6,469.47/9,704.41 = 2,087.37/x
  3. Step 3: Cross multiply
    6,469.47x = 9,704.41 × 2,087.37
  4. Step 4: Simplify right side
    6,469.47x = 20,256,689.08
  5. Step 5: Solve for x
    x = 20,256,689.08/6,469.47
  6. Step 6: Final answer
    x = 3,131.12

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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.