Home / 4,862.42-7,289.85-2,086.82

Finding the Fourth Proportional to 4,862.42, 7,289.85 and 2,086.82

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Solution

The fourth proportional to 4,862.42, 7,289.85 and 2,086.82 is: 3,128.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.42 : 7,289.85 = 2,086.82 : x
  2. Step 2: Convert to fraction form
    4,862.42/7,289.85 = 2,086.82/x
  3. Step 3: Cross multiply
    4,862.42x = 7,289.85 × 2,086.82
  4. Step 4: Simplify right side
    4,862.42x = 15,212,604.78
  5. Step 5: Solve for x
    x = 15,212,604.78/4,862.42
  6. Step 6: Final answer
    x = 3,128.61

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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.