Home / 4,198.55-6,297.75-1,078.53

Finding the Fourth Proportional to 4,198.55, 6,297.75 and 1,078.53

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Solution

The fourth proportional to 4,198.55, 6,297.75 and 1,078.53 is: 1,617.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.55 : 6,297.75 = 1,078.53 : x
  2. Step 2: Convert to fraction form
    4,198.55/6,297.75 = 1,078.53/x
  3. Step 3: Cross multiply
    4,198.55x = 6,297.75 × 1,078.53
  4. Step 4: Simplify right side
    4,198.55x = 6,792,312.31
  5. Step 5: Solve for x
    x = 6,792,312.31/4,198.55
  6. Step 6: Final answer
    x = 1,617.78

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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.