Home / 5,418.46-7,475.97-3,429.87

Finding the Fourth Proportional to 5,418.46, 7,475.97 and 3,429.87

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Solution

The fourth proportional to 5,418.46, 7,475.97 and 3,429.87 is: 4,732.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.46 : 7,475.97 = 3,429.87 : x
  2. Step 2: Convert to fraction form
    5,418.46/7,475.97 = 3,429.87/x
  3. Step 3: Cross multiply
    5,418.46x = 7,475.97 × 3,429.87
  4. Step 4: Simplify right side
    5,418.46x = 25,641,605.22
  5. Step 5: Solve for x
    x = 25,641,605.22/5,418.46
  6. Step 6: Final answer
    x = 4,732.27

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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.