Home / 7,726.08-11,589.12-3,108

Finding the Fourth Proportional to 7,726.08, 11,589.12 and 3,108

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Solution

The fourth proportional to 7,726.08, 11,589.12 and 3,108 is: 4,662

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.08 : 11,589.12 = 3,108 : x
  2. Step 2: Convert to fraction form
    7,726.08/11,589.12 = 3,108/x
  3. Step 3: Cross multiply
    7,726.08x = 11,589.12 × 3,108
  4. Step 4: Simplify right side
    7,726.08x = 36,018,984.96
  5. Step 5: Solve for x
    x = 36,018,984.96/7,726.08
  6. Step 6: Final answer
    x = 4,662

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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.