Home / 6,686.43-10,033.16-3,918.53

Finding the Fourth Proportional to 6,686.43, 10,033.16 and 3,918.53

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Solution

The fourth proportional to 6,686.43, 10,033.16 and 3,918.53 is: 5,879.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.43 : 10,033.16 = 3,918.53 : x
  2. Step 2: Convert to fraction form
    6,686.43/10,033.16 = 3,918.53/x
  3. Step 3: Cross multiply
    6,686.43x = 10,033.16 × 3,918.53
  4. Step 4: Simplify right side
    6,686.43x = 39,315,168.70
  5. Step 5: Solve for x
    x = 39,315,168.70/6,686.43
  6. Step 6: Final answer
    x = 5,879.84

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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.