Home / 8,755.39-13,136.51-3,209.29

Finding the Fourth Proportional to 8,755.39, 13,136.51 and 3,209.29

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Solution

The fourth proportional to 8,755.39, 13,136.51 and 3,209.29 is: 4,815.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.39 : 13,136.51 = 3,209.29 : x
  2. Step 2: Convert to fraction form
    8,755.39/13,136.51 = 3,209.29/x
  3. Step 3: Cross multiply
    8,755.39x = 13,136.51 × 3,209.29
  4. Step 4: Simplify right side
    8,755.39x = 42,158,845.36
  5. Step 5: Solve for x
    x = 42,158,845.36/8,755.39
  6. Step 6: Final answer
    x = 4,815.19

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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.