Home / 6,940.01-10,399.70-4,163.43

Finding the Fourth Proportional to 6,940.01, 10,399.70 and 4,163.43

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Solution

The fourth proportional to 6,940.01, 10,399.70 and 4,163.43 is: 6,238.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.01 : 10,399.70 = 4,163.43 : x
  2. Step 2: Convert to fraction form
    6,940.01/10,399.70 = 4,163.43/x
  3. Step 3: Cross multiply
    6,940.01x = 10,399.70 × 4,163.43
  4. Step 4: Simplify right side
    6,940.01x = 43,298,402.15
  5. Step 5: Solve for x
    x = 43,298,402.15/6,940.01
  6. Step 6: Final answer
    x = 6,238.96

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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.