Home / 8,389.37-12,584.97-2,766.35

Finding the Fourth Proportional to 8,389.37, 12,584.97 and 2,766.35

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Solution

The fourth proportional to 8,389.37, 12,584.97 and 2,766.35 is: 4,149.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.37 : 12,584.97 = 2,766.35 : x
  2. Step 2: Convert to fraction form
    8,389.37/12,584.97 = 2,766.35/x
  3. Step 3: Cross multiply
    8,389.37x = 12,584.97 × 2,766.35
  4. Step 4: Simplify right side
    8,389.37x = 34,814,463.22
  5. Step 5: Solve for x
    x = 34,814,463.22/8,389.37
  6. Step 6: Final answer
    x = 4,149.83

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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.