Home / 8,755.30-13,129.92-2,513.62

Finding the Fourth Proportional to 8,755.30, 13,129.92 and 2,513.62

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Solution

The fourth proportional to 8,755.30, 13,129.92 and 2,513.62 is: 3,769.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.30 : 13,129.92 = 2,513.62 : x
  2. Step 2: Convert to fraction form
    8,755.30/13,129.92 = 2,513.62/x
  3. Step 3: Cross multiply
    8,755.30x = 13,129.92 × 2,513.62
  4. Step 4: Simplify right side
    8,755.30x = 33,003,629.51
  5. Step 5: Solve for x
    x = 33,003,629.51/8,755.30
  6. Step 6: Final answer
    x = 3,769.56

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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.