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Finding the Fourth Proportional to 6,561.30, 9,841.03 and 1,881.71

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Solution

The fourth proportional to 6,561.30, 9,841.03 and 1,881.71 is: 2,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561.30 : 9,841.03 = 1,881.71 : x
  2. Step 2: Convert to fraction form
    6,561.30/9,841.03 = 1,881.71/x
  3. Step 3: Cross multiply
    6,561.30x = 9,841.03 × 1,881.71
  4. Step 4: Simplify right side
    6,561.30x = 18,517,964.56
  5. Step 5: Solve for x
    x = 18,517,964.56/6,561.30
  6. Step 6: Final answer
    x = 2,822.30

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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.