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Finding the Fourth Proportional to 5,879.15, 8,818.29 and 2,759.87

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Solution

The fourth proportional to 5,879.15, 8,818.29 and 2,759.87 is: 4,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.15 : 8,818.29 = 2,759.87 : x
  2. Step 2: Convert to fraction form
    5,879.15/8,818.29 = 2,759.87/x
  3. Step 3: Cross multiply
    5,879.15x = 8,818.29 × 2,759.87
  4. Step 4: Simplify right side
    5,879.15x = 24,337,289.93
  5. Step 5: Solve for x
    x = 24,337,289.93/5,879.15
  6. Step 6: Final answer
    x = 4,139.60

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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.