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Finding the Fourth Proportional to 6,366.92, 9,539.08 and 2,660.98

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Solution

The fourth proportional to 6,366.92, 9,539.08 and 2,660.98 is: 3,986.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,366.92 : 9,539.08 = 2,660.98 : x
  2. Step 2: Convert to fraction form
    6,366.92/9,539.08 = 2,660.98/x
  3. Step 3: Cross multiply
    6,366.92x = 9,539.08 × 2,660.98
  4. Step 4: Simplify right side
    6,366.92x = 25,383,301.10
  5. Step 5: Solve for x
    x = 25,383,301.10/6,366.92
  6. Step 6: Final answer
    x = 3,986.75

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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.