Home / 8,415.82-12,623.26-2,571.98

Finding the Fourth Proportional to 8,415.82, 12,623.26 and 2,571.98

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Solution

The fourth proportional to 8,415.82, 12,623.26 and 2,571.98 is: 3,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415.82 : 12,623.26 = 2,571.98 : x
  2. Step 2: Convert to fraction form
    8,415.82/12,623.26 = 2,571.98/x
  3. Step 3: Cross multiply
    8,415.82x = 12,623.26 × 2,571.98
  4. Step 4: Simplify right side
    8,415.82x = 32,466,772.25
  5. Step 5: Solve for x
    x = 32,466,772.25/8,415.82
  6. Step 6: Final answer
    x = 3,857.83

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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.