Home / 5,050.97-7,578.38-1,764.39

Finding the Fourth Proportional to 5,050.97, 7,578.38 and 1,764.39

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Solution

The fourth proportional to 5,050.97, 7,578.38 and 1,764.39 is: 2,647.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.97 : 7,578.38 = 1,764.39 : x
  2. Step 2: Convert to fraction form
    5,050.97/7,578.38 = 1,764.39/x
  3. Step 3: Cross multiply
    5,050.97x = 7,578.38 × 1,764.39
  4. Step 4: Simplify right side
    5,050.97x = 13,371,217.89
  5. Step 5: Solve for x
    x = 13,371,217.89/5,050.97
  6. Step 6: Final answer
    x = 2,647.26

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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.