Home / 6,467.20-9,698.37-2,769.80

Finding the Fourth Proportional to 6,467.20, 9,698.37 and 2,769.80

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Solution

The fourth proportional to 6,467.20, 9,698.37 and 2,769.80 is: 4,153.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,467.20 : 9,698.37 = 2,769.80 : x
  2. Step 2: Convert to fraction form
    6,467.20/9,698.37 = 2,769.80/x
  3. Step 3: Cross multiply
    6,467.20x = 9,698.37 × 2,769.80
  4. Step 4: Simplify right side
    6,467.20x = 26,862,545.23
  5. Step 5: Solve for x
    x = 26,862,545.23/6,467.20
  6. Step 6: Final answer
    x = 4,153.66

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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.