Home / 4,919.54-7,379.30-1,997.16

Finding the Fourth Proportional to 4,919.54, 7,379.30 and 1,997.16

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Solution

The fourth proportional to 4,919.54, 7,379.30 and 1,997.16 is: 2,995.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.54 : 7,379.30 = 1,997.16 : x
  2. Step 2: Convert to fraction form
    4,919.54/7,379.30 = 1,997.16/x
  3. Step 3: Cross multiply
    4,919.54x = 7,379.30 × 1,997.16
  4. Step 4: Simplify right side
    4,919.54x = 14,737,620.11
  5. Step 5: Solve for x
    x = 14,737,620.11/4,919.54
  6. Step 6: Final answer
    x = 2,995.73

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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.