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Finding the Fourth Proportional to 6,302.62, 8,696.19 and 3,784.06

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Solution

The fourth proportional to 6,302.62, 8,696.19 and 3,784.06 is: 5,221.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,302.62 : 8,696.19 = 3,784.06 : x
  2. Step 2: Convert to fraction form
    6,302.62/8,696.19 = 3,784.06/x
  3. Step 3: Cross multiply
    6,302.62x = 8,696.19 × 3,784.06
  4. Step 4: Simplify right side
    6,302.62x = 32,906,904.73
  5. Step 5: Solve for x
    x = 32,906,904.73/6,302.62
  6. Step 6: Final answer
    x = 5,221.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.