Home / 5,489.40-8,228.06-2,711.96

Finding the Fourth Proportional to 5,489.40, 8,228.06 and 2,711.96

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Solution

The fourth proportional to 5,489.40, 8,228.06 and 2,711.96 is: 4,064.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.40 : 8,228.06 = 2,711.96 : x
  2. Step 2: Convert to fraction form
    5,489.40/8,228.06 = 2,711.96/x
  3. Step 3: Cross multiply
    5,489.40x = 8,228.06 × 2,711.96
  4. Step 4: Simplify right side
    5,489.40x = 22,314,169.60
  5. Step 5: Solve for x
    x = 22,314,169.60/5,489.40
  6. Step 6: Final answer
    x = 4,064.96

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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.