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Finding the Fourth Proportional to 6,661.67, 9,981.56 and 2,276.73

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Solution

The fourth proportional to 6,661.67, 9,981.56 and 2,276.73 is: 3,411.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.67 : 9,981.56 = 2,276.73 : x
  2. Step 2: Convert to fraction form
    6,661.67/9,981.56 = 2,276.73/x
  3. Step 3: Cross multiply
    6,661.67x = 9,981.56 × 2,276.73
  4. Step 4: Simplify right side
    6,661.67x = 22,725,322.79
  5. Step 5: Solve for x
    x = 22,725,322.79/6,661.67
  6. Step 6: Final answer
    x = 3,411.36

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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.