Home / 5,272.70-7,912.94-2,499.36

Finding the Fourth Proportional to 5,272.70, 7,912.94 and 2,499.36

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Solution

The fourth proportional to 5,272.70, 7,912.94 and 2,499.36 is: 3,750.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.70 : 7,912.94 = 2,499.36 : x
  2. Step 2: Convert to fraction form
    5,272.70/7,912.94 = 2,499.36/x
  3. Step 3: Cross multiply
    5,272.70x = 7,912.94 × 2,499.36
  4. Step 4: Simplify right side
    5,272.70x = 19,777,285.72
  5. Step 5: Solve for x
    x = 19,777,285.72/5,272.70
  6. Step 6: Final answer
    x = 3,750.88

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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.