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Finding the Fourth Proportional to 6,561.38, 9,842.08 and 2,664.88

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Solution

The fourth proportional to 6,561.38, 9,842.08 and 2,664.88 is: 3,997.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561.38 : 9,842.08 = 2,664.88 : x
  2. Step 2: Convert to fraction form
    6,561.38/9,842.08 = 2,664.88/x
  3. Step 3: Cross multiply
    6,561.38x = 9,842.08 × 2,664.88
  4. Step 4: Simplify right side
    6,561.38x = 26,227,962.15
  5. Step 5: Solve for x
    x = 26,227,962.15/6,561.38
  6. Step 6: Final answer
    x = 3,997.32

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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.