Home / 5,638.14-8,459.21-2,517.86

Finding the Fourth Proportional to 5,638.14, 8,459.21 and 2,517.86

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Solution

The fourth proportional to 5,638.14, 8,459.21 and 2,517.86 is: 3,777.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.14 : 8,459.21 = 2,517.86 : x
  2. Step 2: Convert to fraction form
    5,638.14/8,459.21 = 2,517.86/x
  3. Step 3: Cross multiply
    5,638.14x = 8,459.21 × 2,517.86
  4. Step 4: Simplify right side
    5,638.14x = 21,299,133.93
  5. Step 5: Solve for x
    x = 21,299,133.93/5,638.14
  6. Step 6: Final answer
    x = 3,777.69

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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.