Home / 6,469.08-9,704.86-2,085.36

Finding the Fourth Proportional to 6,469.08, 9,704.86 and 2,085.36

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Solution

The fourth proportional to 6,469.08, 9,704.86 and 2,085.36 is: 3,128.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469.08 : 9,704.86 = 2,085.36 : x
  2. Step 2: Convert to fraction form
    6,469.08/9,704.86 = 2,085.36/x
  3. Step 3: Cross multiply
    6,469.08x = 9,704.86 × 2,085.36
  4. Step 4: Simplify right side
    6,469.08x = 20,238,126.85
  5. Step 5: Solve for x
    x = 20,238,126.85/6,469.08
  6. Step 6: Final answer
    x = 3,128.44

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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.