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Finding the Fourth Proportional to 6,080.99, 8,391.76 and 3,286.49

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Solution

The fourth proportional to 6,080.99, 8,391.76 and 3,286.49 is: 4,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,080.99 : 8,391.76 = 3,286.49 : x
  2. Step 2: Convert to fraction form
    6,080.99/8,391.76 = 3,286.49/x
  3. Step 3: Cross multiply
    6,080.99x = 8,391.76 × 3,286.49
  4. Step 4: Simplify right side
    6,080.99x = 27,579,393.36
  5. Step 5: Solve for x
    x = 27,579,393.36/6,080.99
  6. Step 6: Final answer
    x = 4,535.35

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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.