Home / 8,166.21-12,250.46-2,618.25

Finding the Fourth Proportional to 8,166.21, 12,250.46 and 2,618.25

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Solution

The fourth proportional to 8,166.21, 12,250.46 and 2,618.25 is: 3,927.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.21 : 12,250.46 = 2,618.25 : x
  2. Step 2: Convert to fraction form
    8,166.21/12,250.46 = 2,618.25/x
  3. Step 3: Cross multiply
    8,166.21x = 12,250.46 × 2,618.25
  4. Step 4: Simplify right side
    8,166.21x = 32,074,766.90
  5. Step 5: Solve for x
    x = 32,074,766.90/8,166.21
  6. Step 6: Final answer
    x = 3,927.74

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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.