Home / 4,910.41-7,369.46-1,990.77

Finding the Fourth Proportional to 4,910.41, 7,369.46 and 1,990.77

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Solution

The fourth proportional to 4,910.41, 7,369.46 and 1,990.77 is: 2,987.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.41 : 7,369.46 = 1,990.77 : x
  2. Step 2: Convert to fraction form
    4,910.41/7,369.46 = 1,990.77/x
  3. Step 3: Cross multiply
    4,910.41x = 7,369.46 × 1,990.77
  4. Step 4: Simplify right side
    4,910.41x = 14,670,899.88
  5. Step 5: Solve for x
    x = 14,670,899.88/4,910.41
  6. Step 6: Final answer
    x = 2,987.71

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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.