Home / 8,418.94-12,632.90-3,743.62

Finding the Fourth Proportional to 8,418.94, 12,632.90 and 3,743.62

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Solution

The fourth proportional to 8,418.94, 12,632.90 and 3,743.62 is: 5,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.94 : 12,632.90 = 3,743.62 : x
  2. Step 2: Convert to fraction form
    8,418.94/12,632.90 = 3,743.62/x
  3. Step 3: Cross multiply
    8,418.94x = 12,632.90 × 3,743.62
  4. Step 4: Simplify right side
    8,418.94x = 47,292,726.80
  5. Step 5: Solve for x
    x = 47,292,726.80/8,418.94
  6. Step 6: Final answer
    x = 5,617.42

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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.