Home / 7,726.20-11,589.30-1,882.86

Finding the Fourth Proportional to 7,726.20, 11,589.30 and 1,882.86

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Solution

The fourth proportional to 7,726.20, 11,589.30 and 1,882.86 is: 2,824.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.20 : 11,589.30 = 1,882.86 : x
  2. Step 2: Convert to fraction form
    7,726.20/11,589.30 = 1,882.86/x
  3. Step 3: Cross multiply
    7,726.20x = 11,589.30 × 1,882.86
  4. Step 4: Simplify right side
    7,726.20x = 21,821,029.40
  5. Step 5: Solve for x
    x = 21,821,029.40/7,726.20
  6. Step 6: Final answer
    x = 2,824.29

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Similar ratio
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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.