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Finding the Fourth Proportional to 5,324.70, 7,995.69 and 3,380.70

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Solution

The fourth proportional to 5,324.70, 7,995.69 and 3,380.70 is: 5,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.70 : 7,995.69 = 3,380.70 : x
  2. Step 2: Convert to fraction form
    5,324.70/7,995.69 = 3,380.70/x
  3. Step 3: Cross multiply
    5,324.70x = 7,995.69 × 3,380.70
  4. Step 4: Simplify right side
    5,324.70x = 27,031,029.18
  5. Step 5: Solve for x
    x = 27,031,029.18/5,324.70
  6. Step 6: Final answer
    x = 5,076.54

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1.5x scale

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.