Home / 8,786.82-13,179.56-3,239.13

Finding the Fourth Proportional to 8,786.82, 13,179.56 and 3,239.13

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Solution

The fourth proportional to 8,786.82, 13,179.56 and 3,239.13 is: 4,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.82 : 13,179.56 = 3,239.13 : x
  2. Step 2: Convert to fraction form
    8,786.82/13,179.56 = 3,239.13/x
  3. Step 3: Cross multiply
    8,786.82x = 13,179.56 × 3,239.13
  4. Step 4: Simplify right side
    8,786.82x = 42,690,291.99
  5. Step 5: Solve for x
    x = 42,690,291.99/8,786.82
  6. Step 6: Final answer
    x = 4,858.45

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1.5x scale

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.