Home / 6,811.01-9,399.22-3,827.87

Finding the Fourth Proportional to 6,811.01, 9,399.22 and 3,827.87

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Solution

The fourth proportional to 6,811.01, 9,399.22 and 3,827.87 is: 5,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.01 : 9,399.22 = 3,827.87 : x
  2. Step 2: Convert to fraction form
    6,811.01/9,399.22 = 3,827.87/x
  3. Step 3: Cross multiply
    6,811.01x = 9,399.22 × 3,827.87
  4. Step 4: Simplify right side
    6,811.01x = 35,978,935.70
  5. Step 5: Solve for x
    x = 35,978,935.70/6,811.01
  6. Step 6: Final answer
    x = 5,282.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.