Home / 7,726.94-11,589.66-2,180.20

Finding the Fourth Proportional to 7,726.94, 11,589.66 and 2,180.20

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Solution

The fourth proportional to 7,726.94, 11,589.66 and 2,180.20 is: 3,270.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.94 : 11,589.66 = 2,180.20 : x
  2. Step 2: Convert to fraction form
    7,726.94/11,589.66 = 2,180.20/x
  3. Step 3: Cross multiply
    7,726.94x = 11,589.66 × 2,180.20
  4. Step 4: Simplify right side
    7,726.94x = 25,267,776.73
  5. Step 5: Solve for x
    x = 25,267,776.73/7,726.94
  6. Step 6: Final answer
    x = 3,270.09

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1.5x scale

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.