Home / 5,419.82-7,479.26-3,029.85

Finding the Fourth Proportional to 5,419.82, 7,479.26 and 3,029.85

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Solution

The fourth proportional to 5,419.82, 7,479.26 and 3,029.85 is: 4,181.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.82 : 7,479.26 = 3,029.85 : x
  2. Step 2: Convert to fraction form
    5,419.82/7,479.26 = 3,029.85/x
  3. Step 3: Cross multiply
    5,419.82x = 7,479.26 × 3,029.85
  4. Step 4: Simplify right side
    5,419.82x = 22,661,035.91
  5. Step 5: Solve for x
    x = 22,661,035.91/5,419.82
  6. Step 6: Final answer
    x = 4,181.14

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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.