Home / 6,977.38-10,469.66-3,856.80

Finding the Fourth Proportional to 6,977.38, 10,469.66 and 3,856.80

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Solution

The fourth proportional to 6,977.38, 10,469.66 and 3,856.80 is: 5,787.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.38 : 10,469.66 = 3,856.80 : x
  2. Step 2: Convert to fraction form
    6,977.38/10,469.66 = 3,856.80/x
  3. Step 3: Cross multiply
    6,977.38x = 10,469.66 × 3,856.80
  4. Step 4: Simplify right side
    6,977.38x = 40,379,384.69
  5. Step 5: Solve for x
    x = 40,379,384.69/6,977.38
  6. Step 6: Final answer
    x = 5,787.18

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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.