Home / 5,218.26-7,201.89-3,360.66

Finding the Fourth Proportional to 5,218.26, 7,201.89 and 3,360.66

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Solution

The fourth proportional to 5,218.26, 7,201.89 and 3,360.66 is: 4,638.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.26 : 7,201.89 = 3,360.66 : x
  2. Step 2: Convert to fraction form
    5,218.26/7,201.89 = 3,360.66/x
  3. Step 3: Cross multiply
    5,218.26x = 7,201.89 × 3,360.66
  4. Step 4: Simplify right side
    5,218.26x = 24,203,103.65
  5. Step 5: Solve for x
    x = 24,203,103.65/5,218.26
  6. Step 6: Final answer
    x = 4,638.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.