Home / 5,827.88-8,742.59-2,131.85

Finding the Fourth Proportional to 5,827.88, 8,742.59 and 2,131.85

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Solution

The fourth proportional to 5,827.88, 8,742.59 and 2,131.85 is: 3,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.88 : 8,742.59 = 2,131.85 : x
  2. Step 2: Convert to fraction form
    5,827.88/8,742.59 = 2,131.85/x
  3. Step 3: Cross multiply
    5,827.88x = 8,742.59 × 2,131.85
  4. Step 4: Simplify right side
    5,827.88x = 18,637,836.12
  5. Step 5: Solve for x
    x = 18,637,836.12/5,827.88
  6. Step 6: Final answer
    x = 3,198.05

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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.