Home / 5,489.66-8,227.43-2,856.80

Finding the Fourth Proportional to 5,489.66, 8,227.43 and 2,856.80

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Solution

The fourth proportional to 5,489.66, 8,227.43 and 2,856.80 is: 4,281.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.66 : 8,227.43 = 2,856.80 : x
  2. Step 2: Convert to fraction form
    5,489.66/8,227.43 = 2,856.80/x
  3. Step 3: Cross multiply
    5,489.66x = 8,227.43 × 2,856.80
  4. Step 4: Simplify right side
    5,489.66x = 23,504,077.32
  5. Step 5: Solve for x
    x = 23,504,077.32/5,489.66
  6. Step 6: Final answer
    x = 4,281.52

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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.