Home / 5,682.20-8,524.65-1,786.61

Finding the Fourth Proportional to 5,682.20, 8,524.65 and 1,786.61

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Solution

The fourth proportional to 5,682.20, 8,524.65 and 1,786.61 is: 2,680.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,682.20 : 8,524.65 = 1,786.61 : x
  2. Step 2: Convert to fraction form
    5,682.20/8,524.65 = 1,786.61/x
  3. Step 3: Cross multiply
    5,682.20x = 8,524.65 × 1,786.61
  4. Step 4: Simplify right side
    5,682.20x = 15,230,216.00
  5. Step 5: Solve for x
    x = 15,230,216.00/5,682.20
  6. Step 6: Final answer
    x = 2,680.34

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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.