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Finding the Fourth Proportional to 6,392.39, 9,587.97 and 2,231.62

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Solution

The fourth proportional to 6,392.39, 9,587.97 and 2,231.62 is: 3,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392.39 : 9,587.97 = 2,231.62 : x
  2. Step 2: Convert to fraction form
    6,392.39/9,587.97 = 2,231.62/x
  3. Step 3: Cross multiply
    6,392.39x = 9,587.97 × 2,231.62
  4. Step 4: Simplify right side
    6,392.39x = 21,396,681.64
  5. Step 5: Solve for x
    x = 21,396,681.64/6,392.39
  6. Step 6: Final answer
    x = 3,347.21

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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.