Home / 6,893.40-10,338.33-1,961.92

Finding the Fourth Proportional to 6,893.40, 10,338.33 and 1,961.92

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Solution

The fourth proportional to 6,893.40, 10,338.33 and 1,961.92 is: 2,942.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,893.40 : 10,338.33 = 1,961.92 : x
  2. Step 2: Convert to fraction form
    6,893.40/10,338.33 = 1,961.92/x
  3. Step 3: Cross multiply
    6,893.40x = 10,338.33 × 1,961.92
  4. Step 4: Simplify right side
    6,893.40x = 20,282,996.67
  5. Step 5: Solve for x
    x = 20,282,996.67/6,893.40
  6. Step 6: Final answer
    x = 2,942.38

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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.