Home / 8,540.12-11,786.36-5,003.25

Finding the Fourth Proportional to 8,540.12, 11,786.36 and 5,003.25

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Solution

The fourth proportional to 8,540.12, 11,786.36 and 5,003.25 is: 6,905.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.12 : 11,786.36 = 5,003.25 : x
  2. Step 2: Convert to fraction form
    8,540.12/11,786.36 = 5,003.25/x
  3. Step 3: Cross multiply
    8,540.12x = 11,786.36 × 5,003.25
  4. Step 4: Simplify right side
    8,540.12x = 58,970,080.65
  5. Step 5: Solve for x
    x = 58,970,080.65/8,540.12
  6. Step 6: Final answer
    x = 6,905.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.