Home / 5,649.08-8,468.76-2,729.42

Finding the Fourth Proportional to 5,649.08, 8,468.76 and 2,729.42

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Solution

The fourth proportional to 5,649.08, 8,468.76 and 2,729.42 is: 4,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.08 : 8,468.76 = 2,729.42 : x
  2. Step 2: Convert to fraction form
    5,649.08/8,468.76 = 2,729.42/x
  3. Step 3: Cross multiply
    5,649.08x = 8,468.76 × 2,729.42
  4. Step 4: Simplify right side
    5,649.08x = 23,114,802.92
  5. Step 5: Solve for x
    x = 23,114,802.92/5,649.08
  6. Step 6: Final answer
    x = 4,091.78

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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.