Home / 4,942.56-6,821.60-2,846.64

Finding the Fourth Proportional to 4,942.56, 6,821.60 and 2,846.64

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Solution

The fourth proportional to 4,942.56, 6,821.60 and 2,846.64 is: 3,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.56 : 6,821.60 = 2,846.64 : x
  2. Step 2: Convert to fraction form
    4,942.56/6,821.60 = 2,846.64/x
  3. Step 3: Cross multiply
    4,942.56x = 6,821.60 × 2,846.64
  4. Step 4: Simplify right side
    4,942.56x = 19,418,639.42
  5. Step 5: Solve for x
    x = 19,418,639.42/4,942.56
  6. Step 6: Final answer
    x = 3,928.86

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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.