Home / 6,891.43-10,335.57-1,960.96

Finding the Fourth Proportional to 6,891.43, 10,335.57 and 1,960.96

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Solution

The fourth proportional to 6,891.43, 10,335.57 and 1,960.96 is: 2,940.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.43 : 10,335.57 = 1,960.96 : x
  2. Step 2: Convert to fraction form
    6,891.43/10,335.57 = 1,960.96/x
  3. Step 3: Cross multiply
    6,891.43x = 10,335.57 × 1,960.96
  4. Step 4: Simplify right side
    6,891.43x = 20,267,639.35
  5. Step 5: Solve for x
    x = 20,267,639.35/6,891.43
  6. Step 6: Final answer
    x = 2,940.99

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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.