Home / 4,942.20-6,820.40-2,704.14

Finding the Fourth Proportional to 4,942.20, 6,820.40 and 2,704.14

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Solution

The fourth proportional to 4,942.20, 6,820.40 and 2,704.14 is: 3,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.20 : 6,820.40 = 2,704.14 : x
  2. Step 2: Convert to fraction form
    4,942.20/6,820.40 = 2,704.14/x
  3. Step 3: Cross multiply
    4,942.20x = 6,820.40 × 2,704.14
  4. Step 4: Simplify right side
    4,942.20x = 18,443,302.94
  5. Step 5: Solve for x
    x = 18,443,302.94/4,942.20
  6. Step 6: Final answer
    x = 3,731.80

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1.5x scale

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.