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Finding the Fourth Proportional to 5,858.92, 8,094.09 and 3,847.11

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Solution

The fourth proportional to 5,858.92, 8,094.09 and 3,847.11 is: 5,314.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,858.92 : 8,094.09 = 3,847.11 : x
  2. Step 2: Convert to fraction form
    5,858.92/8,094.09 = 3,847.11/x
  3. Step 3: Cross multiply
    5,858.92x = 8,094.09 × 3,847.11
  4. Step 4: Simplify right side
    5,858.92x = 31,138,854.58
  5. Step 5: Solve for x
    x = 31,138,854.58/5,858.92
  6. Step 6: Final answer
    x = 5,314.78

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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.