Home / 6,908.45-10,369.20-3,623.90

Finding the Fourth Proportional to 6,908.45, 10,369.20 and 3,623.90

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Solution

The fourth proportional to 6,908.45, 10,369.20 and 3,623.90 is: 5,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908.45 : 10,369.20 = 3,623.90 : x
  2. Step 2: Convert to fraction form
    6,908.45/10,369.20 = 3,623.90/x
  3. Step 3: Cross multiply
    6,908.45x = 10,369.20 × 3,623.90
  4. Step 4: Simplify right side
    6,908.45x = 37,576,943.88
  5. Step 5: Solve for x
    x = 37,576,943.88/6,908.45
  6. Step 6: Final answer
    x = 5,439.27

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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.