Home / 5,469.24-8,205.56-1,959.28

Finding the Fourth Proportional to 5,469.24, 8,205.56 and 1,959.28

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Solution

The fourth proportional to 5,469.24, 8,205.56 and 1,959.28 is: 2,939.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.24 : 8,205.56 = 1,959.28 : x
  2. Step 2: Convert to fraction form
    5,469.24/8,205.56 = 1,959.28/x
  3. Step 3: Cross multiply
    5,469.24x = 8,205.56 × 1,959.28
  4. Step 4: Simplify right side
    5,469.24x = 16,076,981.56
  5. Step 5: Solve for x
    x = 16,076,981.56/5,469.24
  6. Step 6: Final answer
    x = 2,939.53

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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.