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Finding the Fourth Proportional to 5,859.08, 8,786.88 and 3,190.26

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Solution

The fourth proportional to 5,859.08, 8,786.88 and 3,190.26 is: 4,784.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859.08 : 8,786.88 = 3,190.26 : x
  2. Step 2: Convert to fraction form
    5,859.08/8,786.88 = 3,190.26/x
  3. Step 3: Cross multiply
    5,859.08x = 8,786.88 × 3,190.26
  4. Step 4: Simplify right side
    5,859.08x = 28,032,431.79
  5. Step 5: Solve for x
    x = 28,032,431.79/5,859.08
  6. Step 6: Final answer
    x = 4,784.44

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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.