Home / 5,649.30-8,468.10-2,530.80

Finding the Fourth Proportional to 5,649.30, 8,468.10 and 2,530.80

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Solution

The fourth proportional to 5,649.30, 8,468.10 and 2,530.80 is: 3,793.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.30 : 8,468.10 = 2,530.80 : x
  2. Step 2: Convert to fraction form
    5,649.30/8,468.10 = 2,530.80/x
  3. Step 3: Cross multiply
    5,649.30x = 8,468.10 × 2,530.80
  4. Step 4: Simplify right side
    5,649.30x = 21,431,067.48
  5. Step 5: Solve for x
    x = 21,431,067.48/5,649.30
  6. Step 6: Final answer
    x = 3,793.58

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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.