Home / 6,399.05-9,576.90-3,935.43

Finding the Fourth Proportional to 6,399.05, 9,576.90 and 3,935.43

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Solution

The fourth proportional to 6,399.05, 9,576.90 and 3,935.43 is: 5,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.05 : 9,576.90 = 3,935.43 : x
  2. Step 2: Convert to fraction form
    6,399.05/9,576.90 = 3,935.43/x
  3. Step 3: Cross multiply
    6,399.05x = 9,576.90 × 3,935.43
  4. Step 4: Simplify right side
    6,399.05x = 37,689,219.57
  5. Step 5: Solve for x
    x = 37,689,219.57/6,399.05
  6. Step 6: Final answer
    x = 5,889.81

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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.