Home / 6,812.41-10,220.52-3,892.78

Finding the Fourth Proportional to 6,812.41, 10,220.52 and 3,892.78

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Solution

The fourth proportional to 6,812.41, 10,220.52 and 3,892.78 is: 5,840.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.41 : 10,220.52 = 3,892.78 : x
  2. Step 2: Convert to fraction form
    6,812.41/10,220.52 = 3,892.78/x
  3. Step 3: Cross multiply
    6,812.41x = 10,220.52 × 3,892.78
  4. Step 4: Simplify right side
    6,812.41x = 39,786,235.85
  5. Step 5: Solve for x
    x = 39,786,235.85/6,812.41
  6. Step 6: Final answer
    x = 5,840.26

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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.