Home / 5,218.88-7,823.09-3,371.30

Finding the Fourth Proportional to 5,218.88, 7,823.09 and 3,371.30

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Solution

The fourth proportional to 5,218.88, 7,823.09 and 3,371.30 is: 5,053.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.88 : 7,823.09 = 3,371.30 : x
  2. Step 2: Convert to fraction form
    5,218.88/7,823.09 = 3,371.30/x
  3. Step 3: Cross multiply
    5,218.88x = 7,823.09 × 3,371.30
  4. Step 4: Simplify right side
    5,218.88x = 26,373,952.63
  5. Step 5: Solve for x
    x = 26,373,952.63/5,218.88
  6. Step 6: Final answer
    x = 5,053.57

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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.