Home / 4,942.85-6,821.73-2,953.40

Finding the Fourth Proportional to 4,942.85, 6,821.73 and 2,953.40

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Solution

The fourth proportional to 4,942.85, 6,821.73 and 2,953.40 is: 4,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.85 : 6,821.73 = 2,953.40 : x
  2. Step 2: Convert to fraction form
    4,942.85/6,821.73 = 2,953.40/x
  3. Step 3: Cross multiply
    4,942.85x = 6,821.73 × 2,953.40
  4. Step 4: Simplify right side
    4,942.85x = 20,147,263.27
  5. Step 5: Solve for x
    x = 20,147,263.27/4,942.85
  6. Step 6: Final answer
    x = 4,076.05

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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.