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Finding the Fourth Proportional to 8,441.82, 12,655.44 and 3,757.59

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Solution

The fourth proportional to 8,441.82, 12,655.44 and 3,757.59 is: 5,633.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,441.82 : 12,655.44 = 3,757.59 : x
  2. Step 2: Convert to fraction form
    8,441.82/12,655.44 = 3,757.59/x
  3. Step 3: Cross multiply
    8,441.82x = 12,655.44 × 3,757.59
  4. Step 4: Simplify right side
    8,441.82x = 47,553,954.79
  5. Step 5: Solve for x
    x = 47,553,954.79/8,441.82
  6. Step 6: Final answer
    x = 5,633.14

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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.