Home / 7,799.85-11,704.38-4,102.37

Finding the Fourth Proportional to 7,799.85, 11,704.38 and 4,102.37

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Solution

The fourth proportional to 7,799.85, 11,704.38 and 4,102.37 is: 6,155.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.85 : 11,704.38 = 4,102.37 : x
  2. Step 2: Convert to fraction form
    7,799.85/11,704.38 = 4,102.37/x
  3. Step 3: Cross multiply
    7,799.85x = 11,704.38 × 4,102.37
  4. Step 4: Simplify right side
    7,799.85x = 48,015,638.86
  5. Step 5: Solve for x
    x = 48,015,638.86/7,799.85
  6. Step 6: Final answer
    x = 6,155.97

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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.