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Finding the Fourth Proportional to 6,893.29, 10,340.05 and 1,963.06

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Solution

The fourth proportional to 6,893.29, 10,340.05 and 1,963.06 is: 2,944.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,893.29 : 10,340.05 = 1,963.06 : x
  2. Step 2: Convert to fraction form
    6,893.29/10,340.05 = 1,963.06/x
  3. Step 3: Cross multiply
    6,893.29x = 10,340.05 × 1,963.06
  4. Step 4: Simplify right side
    6,893.29x = 20,298,138.55
  5. Step 5: Solve for x
    x = 20,298,138.55/6,893.29
  6. Step 6: Final answer
    x = 2,944.62

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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.