Home / 4,919.92-7,379.98-1,996.22

Finding the Fourth Proportional to 4,919.92, 7,379.98 and 1,996.22

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Solution

The fourth proportional to 4,919.92, 7,379.98 and 1,996.22 is: 2,994.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.92 : 7,379.98 = 1,996.22 : x
  2. Step 2: Convert to fraction form
    4,919.92/7,379.98 = 1,996.22/x
  3. Step 3: Cross multiply
    4,919.92x = 7,379.98 × 1,996.22
  4. Step 4: Simplify right side
    4,919.92x = 14,732,077.13
  5. Step 5: Solve for x
    x = 14,732,077.13/4,919.92
  6. Step 6: Final answer
    x = 2,994.37

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1.5x scale

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.