Home / 6,514.20-8,990.53-3,682.44

Finding the Fourth Proportional to 6,514.20, 8,990.53 and 3,682.44

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Solution

The fourth proportional to 6,514.20, 8,990.53 and 3,682.44 is: 5,082.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.20 : 8,990.53 = 3,682.44 : x
  2. Step 2: Convert to fraction form
    6,514.20/8,990.53 = 3,682.44/x
  3. Step 3: Cross multiply
    6,514.20x = 8,990.53 × 3,682.44
  4. Step 4: Simplify right side
    6,514.20x = 33,107,078.09
  5. Step 5: Solve for x
    x = 33,107,078.09/6,514.20
  6. Step 6: Final answer
    x = 5,082.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.