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Finding the Fourth Proportional to 5,796.70, 8,695.59 and 2,099.86

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Solution

The fourth proportional to 5,796.70, 8,695.59 and 2,099.86 is: 3,149.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,796.70 : 8,695.59 = 2,099.86 : x
  2. Step 2: Convert to fraction form
    5,796.70/8,695.59 = 2,099.86/x
  3. Step 3: Cross multiply
    5,796.70x = 8,695.59 × 2,099.86
  4. Step 4: Simplify right side
    5,796.70x = 18,259,521.62
  5. Step 5: Solve for x
    x = 18,259,521.62/5,796.70
  6. Step 6: Final answer
    x = 3,149.99

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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.