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Finding the Fourth Proportional to 5,879.27, 8,820.35 and 2,919.09

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Solution

The fourth proportional to 5,879.27, 8,820.35 and 2,919.09 is: 4,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.27 : 8,820.35 = 2,919.09 : x
  2. Step 2: Convert to fraction form
    5,879.27/8,820.35 = 2,919.09/x
  3. Step 3: Cross multiply
    5,879.27x = 8,820.35 × 2,919.09
  4. Step 4: Simplify right side
    5,879.27x = 25,747,380.89
  5. Step 5: Solve for x
    x = 25,747,380.89/5,879.27
  6. Step 6: Final answer
    x = 4,379.35

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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.