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Finding the Fourth Proportional to 5,728.94, 8,589.02 and 3,968.88

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Solution

The fourth proportional to 5,728.94, 8,589.02 and 3,968.88 is: 5,950.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.94 : 8,589.02 = 3,968.88 : x
  2. Step 2: Convert to fraction form
    5,728.94/8,589.02 = 3,968.88/x
  3. Step 3: Cross multiply
    5,728.94x = 8,589.02 × 3,968.88
  4. Step 4: Simplify right side
    5,728.94x = 34,088,789.70
  5. Step 5: Solve for x
    x = 34,088,789.70/5,728.94
  6. Step 6: Final answer
    x = 5,950.28

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1.5x scale

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.