Home / 5,669.88-7,824.41-3,151.90

Finding the Fourth Proportional to 5,669.88, 7,824.41 and 3,151.90

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Solution

The fourth proportional to 5,669.88, 7,824.41 and 3,151.90 is: 4,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.88 : 7,824.41 = 3,151.90 : x
  2. Step 2: Convert to fraction form
    5,669.88/7,824.41 = 3,151.90/x
  3. Step 3: Cross multiply
    5,669.88x = 7,824.41 × 3,151.90
  4. Step 4: Simplify right side
    5,669.88x = 24,661,763.72
  5. Step 5: Solve for x
    x = 24,661,763.72/5,669.88
  6. Step 6: Final answer
    x = 4,349.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.