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Finding the Fourth Proportional to 5,869.64, 8,100.13 and 3,217.09

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Solution

The fourth proportional to 5,869.64, 8,100.13 and 3,217.09 is: 4,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.64 : 8,100.13 = 3,217.09 : x
  2. Step 2: Convert to fraction form
    5,869.64/8,100.13 = 3,217.09/x
  3. Step 3: Cross multiply
    5,869.64x = 8,100.13 × 3,217.09
  4. Step 4: Simplify right side
    5,869.64x = 26,058,847.22
  5. Step 5: Solve for x
    x = 26,058,847.22/5,869.64
  6. Step 6: Final answer
    x = 4,439.60

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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.