Home / 4,211.80-6,303.66-3,169.28

Finding the Fourth Proportional to 4,211.80, 6,303.66 and 3,169.28

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Solution

The fourth proportional to 4,211.80, 6,303.66 and 3,169.28 is: 4,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.80 : 6,303.66 = 3,169.28 : x
  2. Step 2: Convert to fraction form
    4,211.80/6,303.66 = 3,169.28/x
  3. Step 3: Cross multiply
    4,211.80x = 6,303.66 × 3,169.28
  4. Step 4: Simplify right side
    4,211.80x = 19,978,063.56
  5. Step 5: Solve for x
    x = 19,978,063.56/4,211.80
  6. Step 6: Final answer
    x = 4,743.36

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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.