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Finding the Fourth Proportional to 5,860, 8,790.11 and 2,739.15

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Solution

The fourth proportional to 5,860, 8,790.11 and 2,739.15 is: 4,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860 : 8,790.11 = 2,739.15 : x
  2. Step 2: Convert to fraction form
    5,860/8,790.11 = 2,739.15/x
  3. Step 3: Cross multiply
    5,860x = 8,790.11 × 2,739.15
  4. Step 4: Simplify right side
    5,860x = 24,077,429.81
  5. Step 5: Solve for x
    x = 24,077,429.81/5,860
  6. Step 6: Final answer
    x = 4,108.78

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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.