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Finding the Fourth Proportional to 6,393.85, 9,593.71 and 2,884.79

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Solution

The fourth proportional to 6,393.85, 9,593.71 and 2,884.79 is: 4,328.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.85 : 9,593.71 = 2,884.79 : x
  2. Step 2: Convert to fraction form
    6,393.85/9,593.71 = 2,884.79/x
  3. Step 3: Cross multiply
    6,393.85x = 9,593.71 × 2,884.79
  4. Step 4: Simplify right side
    6,393.85x = 27,675,855.44
  5. Step 5: Solve for x
    x = 27,675,855.44/6,393.85
  6. Step 6: Final answer
    x = 4,328.51

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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.