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Finding the Fourth Proportional to 6,321.73, 9,476.71 and 2,809.89

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Solution

The fourth proportional to 6,321.73, 9,476.71 and 2,809.89 is: 4,212.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321.73 : 9,476.71 = 2,809.89 : x
  2. Step 2: Convert to fraction form
    6,321.73/9,476.71 = 2,809.89/x
  3. Step 3: Cross multiply
    6,321.73x = 9,476.71 × 2,809.89
  4. Step 4: Simplify right side
    6,321.73x = 26,628,521.44
  5. Step 5: Solve for x
    x = 26,628,521.44/6,321.73
  6. Step 6: Final answer
    x = 4,212.22

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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.