Home / 6,811.27-9,399.79-3,827.04

Finding the Fourth Proportional to 6,811.27, 9,399.79 and 3,827.04

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Solution

The fourth proportional to 6,811.27, 9,399.79 and 3,827.04 is: 5,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.27 : 9,399.79 = 3,827.04 : x
  2. Step 2: Convert to fraction form
    6,811.27/9,399.79 = 3,827.04/x
  3. Step 3: Cross multiply
    6,811.27x = 9,399.79 × 3,827.04
  4. Step 4: Simplify right side
    6,811.27x = 35,973,372.32
  5. Step 5: Solve for x
    x = 35,973,372.32/6,811.27
  6. Step 6: Final answer
    x = 5,281.45

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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.