Home / 8,736.64-13,105.44-2,581.12

Finding the Fourth Proportional to 8,736.64, 13,105.44 and 2,581.12

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Solution

The fourth proportional to 8,736.64, 13,105.44 and 2,581.12 is: 3,871.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.64 : 13,105.44 = 2,581.12 : x
  2. Step 2: Convert to fraction form
    8,736.64/13,105.44 = 2,581.12/x
  3. Step 3: Cross multiply
    8,736.64x = 13,105.44 × 2,581.12
  4. Step 4: Simplify right side
    8,736.64x = 33,826,713.29
  5. Step 5: Solve for x
    x = 33,826,713.29/8,736.64
  6. Step 6: Final answer
    x = 3,871.82

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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.