Home / 5,267.27-7,900.85-2,146.54

Finding the Fourth Proportional to 5,267.27, 7,900.85 and 2,146.54

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Solution

The fourth proportional to 5,267.27, 7,900.85 and 2,146.54 is: 3,219.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.27 : 7,900.85 = 2,146.54 : x
  2. Step 2: Convert to fraction form
    5,267.27/7,900.85 = 2,146.54/x
  3. Step 3: Cross multiply
    5,267.27x = 7,900.85 × 2,146.54
  4. Step 4: Simplify right side
    5,267.27x = 16,959,490.56
  5. Step 5: Solve for x
    x = 16,959,490.56/5,267.27
  6. Step 6: Final answer
    x = 3,219.79

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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.