Home / 5,169.48-7,134.66-3,578.64

Finding the Fourth Proportional to 5,169.48, 7,134.66 and 3,578.64

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Solution

The fourth proportional to 5,169.48, 7,134.66 and 3,578.64 is: 4,939.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.48 : 7,134.66 = 3,578.64 : x
  2. Step 2: Convert to fraction form
    5,169.48/7,134.66 = 3,578.64/x
  3. Step 3: Cross multiply
    5,169.48x = 7,134.66 × 3,578.64
  4. Step 4: Simplify right side
    5,169.48x = 25,532,379.66
  5. Step 5: Solve for x
    x = 25,532,379.66/5,169.48
  6. Step 6: Final answer
    x = 4,939.06

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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.