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Finding the Fourth Proportional to 5,659.96, 8,489.94 and 1,764.68

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Solution

The fourth proportional to 5,659.96, 8,489.94 and 1,764.68 is: 2,647.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.96 : 8,489.94 = 1,764.68 : x
  2. Step 2: Convert to fraction form
    5,659.96/8,489.94 = 1,764.68/x
  3. Step 3: Cross multiply
    5,659.96x = 8,489.94 × 1,764.68
  4. Step 4: Simplify right side
    5,659.96x = 14,982,027.32
  5. Step 5: Solve for x
    x = 14,982,027.32/5,659.96
  6. Step 6: Final answer
    x = 2,647.02

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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.