Home / 6,893.62-9,515.36-3,911.43

Finding the Fourth Proportional to 6,893.62, 9,515.36 and 3,911.43

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Solution

The fourth proportional to 6,893.62, 9,515.36 and 3,911.43 is: 5,399.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,893.62 : 9,515.36 = 3,911.43 : x
  2. Step 2: Convert to fraction form
    6,893.62/9,515.36 = 3,911.43/x
  3. Step 3: Cross multiply
    6,893.62x = 9,515.36 × 3,911.43
  4. Step 4: Simplify right side
    6,893.62x = 37,218,664.56
  5. Step 5: Solve for x
    x = 37,218,664.56/6,893.62
  6. Step 6: Final answer
    x = 5,399.00

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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.