Home / 4,942.60-6,824.02-3,821.56

Finding the Fourth Proportional to 4,942.60, 6,824.02 and 3,821.56

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Solution

The fourth proportional to 4,942.60, 6,824.02 and 3,821.56 is: 5,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.60 : 6,824.02 = 3,821.56 : x
  2. Step 2: Convert to fraction form
    4,942.60/6,824.02 = 3,821.56/x
  3. Step 3: Cross multiply
    4,942.60x = 6,824.02 × 3,821.56
  4. Step 4: Simplify right side
    4,942.60x = 26,078,401.87
  5. Step 5: Solve for x
    x = 26,078,401.87/4,942.60
  6. Step 6: Final answer
    x = 5,276.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.