Home / 4,919.00-7,375.77-1,993.89

Finding the Fourth Proportional to 4,919.00, 7,375.77 and 1,993.89

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Solution

The fourth proportional to 4,919.00, 7,375.77 and 1,993.89 is: 2,989.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.00 : 7,375.77 = 1,993.89 : x
  2. Step 2: Convert to fraction form
    4,919.00/7,375.77 = 1,993.89/x
  3. Step 3: Cross multiply
    4,919.00x = 7,375.77 × 1,993.89
  4. Step 4: Simplify right side
    4,919.00x = 14,706,483.76
  5. Step 5: Solve for x
    x = 14,706,483.76/4,919.00
  6. Step 6: Final answer
    x = 2,989.73

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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.