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Finding the Fourth Proportional to 5,873.62, 8,105.96 and 3,880.68

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Solution

The fourth proportional to 5,873.62, 8,105.96 and 3,880.68 is: 5,355.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.62 : 8,105.96 = 3,880.68 : x
  2. Step 2: Convert to fraction form
    5,873.62/8,105.96 = 3,880.68/x
  3. Step 3: Cross multiply
    5,873.62x = 8,105.96 × 3,880.68
  4. Step 4: Simplify right side
    5,873.62x = 31,456,646.55
  5. Step 5: Solve for x
    x = 31,456,646.55/5,873.62
  6. Step 6: Final answer
    x = 5,355.58

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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.