Home / 6,813.86-9,403.26-3,829.94

Finding the Fourth Proportional to 6,813.86, 9,403.26 and 3,829.94

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Solution

The fourth proportional to 6,813.86, 9,403.26 and 3,829.94 is: 5,285.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.86 : 9,403.26 = 3,829.94 : x
  2. Step 2: Convert to fraction form
    6,813.86/9,403.26 = 3,829.94/x
  3. Step 3: Cross multiply
    6,813.86x = 9,403.26 × 3,829.94
  4. Step 4: Simplify right side
    6,813.86x = 36,013,921.60
  5. Step 5: Solve for x
    x = 36,013,921.60/6,813.86
  6. Step 6: Final answer
    x = 5,285.39

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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.