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Finding the Fourth Proportional to 6,561.32, 9,843.06 and 3,276.68

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Solution

The fourth proportional to 6,561.32, 9,843.06 and 3,276.68 is: 4,915.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561.32 : 9,843.06 = 3,276.68 : x
  2. Step 2: Convert to fraction form
    6,561.32/9,843.06 = 3,276.68/x
  3. Step 3: Cross multiply
    6,561.32x = 9,843.06 × 3,276.68
  4. Step 4: Simplify right side
    6,561.32x = 32,252,557.84
  5. Step 5: Solve for x
    x = 32,252,557.84/6,561.32
  6. Step 6: Final answer
    x = 4,915.56

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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.