Home / 4,273.78-6,411.35-1,351.86

Finding the Fourth Proportional to 4,273.78, 6,411.35 and 1,351.86

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Solution

The fourth proportional to 4,273.78, 6,411.35 and 1,351.86 is: 2,028.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,273.78 : 6,411.35 = 1,351.86 : x
  2. Step 2: Convert to fraction form
    4,273.78/6,411.35 = 1,351.86/x
  3. Step 3: Cross multiply
    4,273.78x = 6,411.35 × 1,351.86
  4. Step 4: Simplify right side
    4,273.78x = 8,667,247.61
  5. Step 5: Solve for x
    x = 8,667,247.61/4,273.78
  6. Step 6: Final answer
    x = 2,028.01

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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.