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Finding the Fourth Proportional to 6,383.78, 9,568.57 and 2,684.91

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Solution

The fourth proportional to 6,383.78, 9,568.57 and 2,684.91 is: 4,024.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.78 : 9,568.57 = 2,684.91 : x
  2. Step 2: Convert to fraction form
    6,383.78/9,568.57 = 2,684.91/x
  3. Step 3: Cross multiply
    6,383.78x = 9,568.57 × 2,684.91
  4. Step 4: Simplify right side
    6,383.78x = 25,690,749.28
  5. Step 5: Solve for x
    x = 25,690,749.28/6,383.78
  6. Step 6: Final answer
    x = 4,024.38

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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.