Home / 6,969.38-9,617.68-3,782.66

Finding the Fourth Proportional to 6,969.38, 9,617.68 and 3,782.66

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Solution

The fourth proportional to 6,969.38, 9,617.68 and 3,782.66 is: 5,220.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969.38 : 9,617.68 = 3,782.66 : x
  2. Step 2: Convert to fraction form
    6,969.38/9,617.68 = 3,782.66/x
  3. Step 3: Cross multiply
    6,969.38x = 9,617.68 × 3,782.66
  4. Step 4: Simplify right side
    6,969.38x = 36,380,355.88
  5. Step 5: Solve for x
    x = 36,380,355.88/6,969.38
  6. Step 6: Final answer
    x = 5,220.03

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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.