Home / 8,755.14-13,137.71-3,207.75

Finding the Fourth Proportional to 8,755.14, 13,137.71 and 3,207.75

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Solution

The fourth proportional to 8,755.14, 13,137.71 and 3,207.75 is: 4,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.14 : 13,137.71 = 3,207.75 : x
  2. Step 2: Convert to fraction form
    8,755.14/13,137.71 = 3,207.75/x
  3. Step 3: Cross multiply
    8,755.14x = 13,137.71 × 3,207.75
  4. Step 4: Simplify right side
    8,755.14x = 42,142,473.21
  5. Step 5: Solve for x
    x = 42,142,473.21/8,755.14
  6. Step 6: Final answer
    x = 4,813.46

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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.