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Finding the Fourth Proportional to 6,659.37, 9,989.06 and 2,276.86

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Solution

The fourth proportional to 6,659.37, 9,989.06 and 2,276.86 is: 3,415.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.37 : 9,989.06 = 2,276.86 : x
  2. Step 2: Convert to fraction form
    6,659.37/9,989.06 = 2,276.86/x
  3. Step 3: Cross multiply
    6,659.37x = 9,989.06 × 2,276.86
  4. Step 4: Simplify right side
    6,659.37x = 22,743,691.15
  5. Step 5: Solve for x
    x = 22,743,691.15/6,659.37
  6. Step 6: Final answer
    x = 3,415.29

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Similar ratio
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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.