Home / 4,093.05-6,138.98-1,319.37

Finding the Fourth Proportional to 4,093.05, 6,138.98 and 1,319.37

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Solution

The fourth proportional to 4,093.05, 6,138.98 and 1,319.37 is: 1,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,093.05 : 6,138.98 = 1,319.37 : x
  2. Step 2: Convert to fraction form
    4,093.05/6,138.98 = 1,319.37/x
  3. Step 3: Cross multiply
    4,093.05x = 6,138.98 × 1,319.37
  4. Step 4: Simplify right side
    4,093.05x = 8,099,548.75
  5. Step 5: Solve for x
    x = 8,099,548.75/4,093.05
  6. Step 6: Final answer
    x = 1,978.85

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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.