Home / 5,274.87-7,910.55-1,942.35

Finding the Fourth Proportional to 5,274.87, 7,910.55 and 1,942.35

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Solution

The fourth proportional to 5,274.87, 7,910.55 and 1,942.35 is: 2,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.87 : 7,910.55 = 1,942.35 : x
  2. Step 2: Convert to fraction form
    5,274.87/7,910.55 = 1,942.35/x
  3. Step 3: Cross multiply
    5,274.87x = 7,910.55 × 1,942.35
  4. Step 4: Simplify right side
    5,274.87x = 15,365,056.79
  5. Step 5: Solve for x
    x = 15,365,056.79/5,274.87
  6. Step 6: Final answer
    x = 2,912.88

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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.