Home / 8,456.24-12,677.88-3,836

Finding the Fourth Proportional to 8,456.24, 12,677.88 and 3,836

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Solution

The fourth proportional to 8,456.24, 12,677.88 and 3,836 is: 5,751.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.24 : 12,677.88 = 3,836 : x
  2. Step 2: Convert to fraction form
    8,456.24/12,677.88 = 3,836/x
  3. Step 3: Cross multiply
    8,456.24x = 12,677.88 × 3,836
  4. Step 4: Simplify right side
    8,456.24x = 48,632,347.68
  5. Step 5: Solve for x
    x = 48,632,347.68/8,456.24
  6. Step 6: Final answer
    x = 5,751.06

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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.