Home / 6,331.43-9,499.26-3,988.73

Finding the Fourth Proportional to 6,331.43, 9,499.26 and 3,988.73

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Solution

The fourth proportional to 6,331.43, 9,499.26 and 3,988.73 is: 5,984.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.43 : 9,499.26 = 3,988.73 : x
  2. Step 2: Convert to fraction form
    6,331.43/9,499.26 = 3,988.73/x
  3. Step 3: Cross multiply
    6,331.43x = 9,499.26 × 3,988.73
  4. Step 4: Simplify right side
    6,331.43x = 37,889,983.34
  5. Step 5: Solve for x
    x = 37,889,983.34/6,331.43
  6. Step 6: Final answer
    x = 5,984.43

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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.