Home / 8,786.06-13,184.28-3,243.28

Finding the Fourth Proportional to 8,786.06, 13,184.28 and 3,243.28

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Solution

The fourth proportional to 8,786.06, 13,184.28 and 3,243.28 is: 4,866.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.06 : 13,184.28 = 3,243.28 : x
  2. Step 2: Convert to fraction form
    8,786.06/13,184.28 = 3,243.28/x
  3. Step 3: Cross multiply
    8,786.06x = 13,184.28 × 3,243.28
  4. Step 4: Simplify right side
    8,786.06x = 42,760,311.64
  5. Step 5: Solve for x
    x = 42,760,311.64/8,786.06
  6. Step 6: Final answer
    x = 4,866.84

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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.