Home / 6,896.84-10,339.20-2,739.78

Finding the Fourth Proportional to 6,896.84, 10,339.20 and 2,739.78

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Solution

The fourth proportional to 6,896.84, 10,339.20 and 2,739.78 is: 4,107.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,896.84 : 10,339.20 = 2,739.78 : x
  2. Step 2: Convert to fraction form
    6,896.84/10,339.20 = 2,739.78/x
  3. Step 3: Cross multiply
    6,896.84x = 10,339.20 × 2,739.78
  4. Step 4: Simplify right side
    6,896.84x = 28,327,133.38
  5. Step 5: Solve for x
    x = 28,327,133.38/6,896.84
  6. Step 6: Final answer
    x = 4,107.26

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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.