Home / 4,218.48-6,329.70-4,131

Finding the Fourth Proportional to 4,218.48, 6,329.70 and 4,131

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Solution

The fourth proportional to 4,218.48, 6,329.70 and 4,131 is: 6,198.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.48 : 6,329.70 = 4,131 : x
  2. Step 2: Convert to fraction form
    4,218.48/6,329.70 = 4,131/x
  3. Step 3: Cross multiply
    4,218.48x = 6,329.70 × 4,131
  4. Step 4: Simplify right side
    4,218.48x = 26,147,990.70
  5. Step 5: Solve for x
    x = 26,147,990.70/4,218.48
  6. Step 6: Final answer
    x = 6,198.44

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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.