Home / 6,942.08-10,408.49-3,823.55

Finding the Fourth Proportional to 6,942.08, 10,408.49 and 3,823.55

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Solution

The fourth proportional to 6,942.08, 10,408.49 and 3,823.55 is: 5,732.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.08 : 10,408.49 = 3,823.55 : x
  2. Step 2: Convert to fraction form
    6,942.08/10,408.49 = 3,823.55/x
  3. Step 3: Cross multiply
    6,942.08x = 10,408.49 × 3,823.55
  4. Step 4: Simplify right side
    6,942.08x = 39,797,381.94
  5. Step 5: Solve for x
    x = 39,797,381.94/6,942.08
  6. Step 6: Final answer
    x = 5,732.77

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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.