Home / 7,993.72-11,985.85-2,726.83

Finding the Fourth Proportional to 7,993.72, 11,985.85 and 2,726.83

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Solution

The fourth proportional to 7,993.72, 11,985.85 and 2,726.83 is: 4,088.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.72 : 11,985.85 = 2,726.83 : x
  2. Step 2: Convert to fraction form
    7,993.72/11,985.85 = 2,726.83/x
  3. Step 3: Cross multiply
    7,993.72x = 11,985.85 × 2,726.83
  4. Step 4: Simplify right side
    7,993.72x = 32,683,375.36
  5. Step 5: Solve for x
    x = 32,683,375.36/7,993.72
  6. Step 6: Final answer
    x = 4,088.63

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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.