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Finding the Fourth Proportional to 5,895.48, 8,136.54 and 3,805.68

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Solution

The fourth proportional to 5,895.48, 8,136.54 and 3,805.68 is: 5,252.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,895.48 : 8,136.54 = 3,805.68 : x
  2. Step 2: Convert to fraction form
    5,895.48/8,136.54 = 3,805.68/x
  3. Step 3: Cross multiply
    5,895.48x = 8,136.54 × 3,805.68
  4. Step 4: Simplify right side
    5,895.48x = 30,965,067.55
  5. Step 5: Solve for x
    x = 30,965,067.55/5,895.48
  6. Step 6: Final answer
    x = 5,252.34

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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.