Home / 8,238.65-12,359.86-2,692.41

Finding the Fourth Proportional to 8,238.65, 12,359.86 and 2,692.41

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Solution

The fourth proportional to 8,238.65, 12,359.86 and 2,692.41 is: 4,039.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.65 : 12,359.86 = 2,692.41 : x
  2. Step 2: Convert to fraction form
    8,238.65/12,359.86 = 2,692.41/x
  3. Step 3: Cross multiply
    8,238.65x = 12,359.86 × 2,692.41
  4. Step 4: Simplify right side
    8,238.65x = 33,277,757.58
  5. Step 5: Solve for x
    x = 33,277,757.58/8,238.65
  6. Step 6: Final answer
    x = 4,039.23

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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.