Home / 6,668.12-9,201.68-3,683.98

Finding the Fourth Proportional to 6,668.12, 9,201.68 and 3,683.98

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Solution

The fourth proportional to 6,668.12, 9,201.68 and 3,683.98 is: 5,083.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668.12 : 9,201.68 = 3,683.98 : x
  2. Step 2: Convert to fraction form
    6,668.12/9,201.68 = 3,683.98/x
  3. Step 3: Cross multiply
    6,668.12x = 9,201.68 × 3,683.98
  4. Step 4: Simplify right side
    6,668.12x = 33,898,759.08
  5. Step 5: Solve for x
    x = 33,898,759.08/6,668.12
  6. Step 6: Final answer
    x = 5,083.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.