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Finding the Fourth Proportional to 8,008.54, 12,012.81 and 3,625.90

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Solution

The fourth proportional to 8,008.54, 12,012.81 and 3,625.90 is: 5,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.54 : 12,012.81 = 3,625.90 : x
  2. Step 2: Convert to fraction form
    8,008.54/12,012.81 = 3,625.90/x
  3. Step 3: Cross multiply
    8,008.54x = 12,012.81 × 3,625.90
  4. Step 4: Simplify right side
    8,008.54x = 43,557,291.41
  5. Step 5: Solve for x
    x = 43,557,291.41/8,008.54
  6. Step 6: Final answer
    x = 5,438.85

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Similar ratio
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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.