Home / 6,616.14-9,130.20-3,963.54

Finding the Fourth Proportional to 6,616.14, 9,130.20 and 3,963.54

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Solution

The fourth proportional to 6,616.14, 9,130.20 and 3,963.54 is: 5,469.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.14 : 9,130.20 = 3,963.54 : x
  2. Step 2: Convert to fraction form
    6,616.14/9,130.20 = 3,963.54/x
  3. Step 3: Cross multiply
    6,616.14x = 9,130.20 × 3,963.54
  4. Step 4: Simplify right side
    6,616.14x = 36,187,912.91
  5. Step 5: Solve for x
    x = 36,187,912.91/6,616.14
  6. Step 6: Final answer
    x = 5,469.64

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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.