Home / 6,874.21-10,311.30-2,977.71

Finding the Fourth Proportional to 6,874.21, 10,311.30 and 2,977.71

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Solution

The fourth proportional to 6,874.21, 10,311.30 and 2,977.71 is: 4,466.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874.21 : 10,311.30 = 2,977.71 : x
  2. Step 2: Convert to fraction form
    6,874.21/10,311.30 = 2,977.71/x
  3. Step 3: Cross multiply
    6,874.21x = 10,311.30 × 2,977.71
  4. Step 4: Simplify right side
    6,874.21x = 30,704,061.12
  5. Step 5: Solve for x
    x = 30,704,061.12/6,874.21
  6. Step 6: Final answer
    x = 4,466.56

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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.