Home / 6,942.21-10,408.68-3,823.69

Finding the Fourth Proportional to 6,942.21, 10,408.68 and 3,823.69

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Solution

The fourth proportional to 6,942.21, 10,408.68 and 3,823.69 is: 5,732.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.21 : 10,408.68 = 3,823.69 : x
  2. Step 2: Convert to fraction form
    6,942.21/10,408.68 = 3,823.69/x
  3. Step 3: Cross multiply
    6,942.21x = 10,408.68 × 3,823.69
  4. Step 4: Simplify right side
    6,942.21x = 39,799,565.63
  5. Step 5: Solve for x
    x = 39,799,565.63/6,942.21
  6. Step 6: Final answer
    x = 5,732.98

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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.