Home / 5,149.03-7,722.99-1,451.38

Finding the Fourth Proportional to 5,149.03, 7,722.99 and 1,451.38

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Solution

The fourth proportional to 5,149.03, 7,722.99 and 1,451.38 is: 2,176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.03 : 7,722.99 = 1,451.38 : x
  2. Step 2: Convert to fraction form
    5,149.03/7,722.99 = 1,451.38/x
  3. Step 3: Cross multiply
    5,149.03x = 7,722.99 × 1,451.38
  4. Step 4: Simplify right side
    5,149.03x = 11,208,993.23
  5. Step 5: Solve for x
    x = 11,208,993.23/5,149.03
  6. Step 6: Final answer
    x = 2,176.91

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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.