Home / 6,813.40-9,402.56-3,829.27

Finding the Fourth Proportional to 6,813.40, 9,402.56 and 3,829.27

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Solution

The fourth proportional to 6,813.40, 9,402.56 and 3,829.27 is: 5,284.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.40 : 9,402.56 = 3,829.27 : x
  2. Step 2: Convert to fraction form
    6,813.40/9,402.56 = 3,829.27/x
  3. Step 3: Cross multiply
    6,813.40x = 9,402.56 × 3,829.27
  4. Step 4: Simplify right side
    6,813.40x = 36,004,940.93
  5. Step 5: Solve for x
    x = 36,004,940.93/6,813.40
  6. Step 6: Final answer
    x = 5,284.43

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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.