Home / 6,212.26-9,318.30-4,145.50

Finding the Fourth Proportional to 6,212.26, 9,318.30 and 4,145.50

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Solution

The fourth proportional to 6,212.26, 9,318.30 and 4,145.50 is: 6,218.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.26 : 9,318.30 = 4,145.50 : x
  2. Step 2: Convert to fraction form
    6,212.26/9,318.30 = 4,145.50/x
  3. Step 3: Cross multiply
    6,212.26x = 9,318.30 × 4,145.50
  4. Step 4: Simplify right side
    6,212.26x = 38,629,012.65
  5. Step 5: Solve for x
    x = 38,629,012.65/6,212.26
  6. Step 6: Final answer
    x = 6,218.19

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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.