Home / 4,684.82-7,027.22-1,397.90

Finding the Fourth Proportional to 4,684.82, 7,027.22 and 1,397.90

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Solution

The fourth proportional to 4,684.82, 7,027.22 and 1,397.90 is: 2,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684.82 : 7,027.22 = 1,397.90 : x
  2. Step 2: Convert to fraction form
    4,684.82/7,027.22 = 1,397.90/x
  3. Step 3: Cross multiply
    4,684.82x = 7,027.22 × 1,397.90
  4. Step 4: Simplify right side
    4,684.82x = 9,823,350.84
  5. Step 5: Solve for x
    x = 9,823,350.84/4,684.82
  6. Step 6: Final answer
    x = 2,096.85

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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.