Home / 5,624.25-8,438.82-2,163.93

Finding the Fourth Proportional to 5,624.25, 8,438.82 and 2,163.93

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Solution

The fourth proportional to 5,624.25, 8,438.82 and 2,163.93 is: 3,246.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.25 : 8,438.82 = 2,163.93 : x
  2. Step 2: Convert to fraction form
    5,624.25/8,438.82 = 2,163.93/x
  3. Step 3: Cross multiply
    5,624.25x = 8,438.82 × 2,163.93
  4. Step 4: Simplify right side
    5,624.25x = 18,261,015.76
  5. Step 5: Solve for x
    x = 18,261,015.76/5,624.25
  6. Step 6: Final answer
    x = 3,246.84

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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.