Home / 5,859.20-8,786.58-1,909.43

Finding the Fourth Proportional to 5,859.20, 8,786.58 and 1,909.43

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Solution

The fourth proportional to 5,859.20, 8,786.58 and 1,909.43 is: 2,863.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859.20 : 8,786.58 = 1,909.43 : x
  2. Step 2: Convert to fraction form
    5,859.20/8,786.58 = 1,909.43/x
  3. Step 3: Cross multiply
    5,859.20x = 8,786.58 × 1,909.43
  4. Step 4: Simplify right side
    5,859.20x = 16,777,315.52
  5. Step 5: Solve for x
    x = 16,777,315.52/5,859.20
  6. Step 6: Final answer
    x = 2,863.42

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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.