Home / 5,180.06-7,767.70-1,669.42

Finding the Fourth Proportional to 5,180.06, 7,767.70 and 1,669.42

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Solution

The fourth proportional to 5,180.06, 7,767.70 and 1,669.42 is: 2,503.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.06 : 7,767.70 = 1,669.42 : x
  2. Step 2: Convert to fraction form
    5,180.06/7,767.70 = 1,669.42/x
  3. Step 3: Cross multiply
    5,180.06x = 7,767.70 × 1,669.42
  4. Step 4: Simplify right side
    5,180.06x = 12,967,553.73
  5. Step 5: Solve for x
    x = 12,967,553.73/5,180.06
  6. Step 6: Final answer
    x = 2,503.36

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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.