Home / 8,786.59-13,181.65-3,239.96

Finding the Fourth Proportional to 8,786.59, 13,181.65 and 3,239.96

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Solution

The fourth proportional to 8,786.59, 13,181.65 and 3,239.96 is: 4,860.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.59 : 13,181.65 = 3,239.96 : x
  2. Step 2: Convert to fraction form
    8,786.59/13,181.65 = 3,239.96/x
  3. Step 3: Cross multiply
    8,786.59x = 13,181.65 × 3,239.96
  4. Step 4: Simplify right side
    8,786.59x = 42,707,936.63
  5. Step 5: Solve for x
    x = 42,707,936.63/8,786.59
  6. Step 6: Final answer
    x = 4,860.58

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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.