Home / 8,561.82-12,845.01-3,631.74

Finding the Fourth Proportional to 8,561.82, 12,845.01 and 3,631.74

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Solution

The fourth proportional to 8,561.82, 12,845.01 and 3,631.74 is: 5,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,561.82 : 12,845.01 = 3,631.74 : x
  2. Step 2: Convert to fraction form
    8,561.82/12,845.01 = 3,631.74/x
  3. Step 3: Cross multiply
    8,561.82x = 12,845.01 × 3,631.74
  4. Step 4: Simplify right side
    8,561.82x = 46,649,736.62
  5. Step 5: Solve for x
    x = 46,649,736.62/8,561.82
  6. Step 6: Final answer
    x = 5,448.58

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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.