Home / 8,464.26-12,704.60-4,084.80

Finding the Fourth Proportional to 8,464.26, 12,704.60 and 4,084.80

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Solution

The fourth proportional to 8,464.26, 12,704.60 and 4,084.80 is: 6,131.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.26 : 12,704.60 = 4,084.80 : x
  2. Step 2: Convert to fraction form
    8,464.26/12,704.60 = 4,084.80/x
  3. Step 3: Cross multiply
    8,464.26x = 12,704.60 × 4,084.80
  4. Step 4: Simplify right side
    8,464.26x = 51,895,729.66
  5. Step 5: Solve for x
    x = 51,895,729.66/8,464.26
  6. Step 6: Final answer
    x = 6,131.16

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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.