Home / 4,297.87-6,447.62-1,375.39

Finding the Fourth Proportional to 4,297.87, 6,447.62 and 1,375.39

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Solution

The fourth proportional to 4,297.87, 6,447.62 and 1,375.39 is: 2,063.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,297.87 : 6,447.62 = 1,375.39 : x
  2. Step 2: Convert to fraction form
    4,297.87/6,447.62 = 1,375.39/x
  3. Step 3: Cross multiply
    4,297.87x = 6,447.62 × 1,375.39
  4. Step 4: Simplify right side
    4,297.87x = 8,867,992.07
  5. Step 5: Solve for x
    x = 8,867,992.07/4,297.87
  6. Step 6: Final answer
    x = 2,063.35

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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.