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Finding the Fourth Proportional to 6,903.63, 10,340.19 and 3,935.25

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Solution

The fourth proportional to 6,903.63, 10,340.19 and 3,935.25 is: 5,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903.63 : 10,340.19 = 3,935.25 : x
  2. Step 2: Convert to fraction form
    6,903.63/10,340.19 = 3,935.25/x
  3. Step 3: Cross multiply
    6,903.63x = 10,340.19 × 3,935.25
  4. Step 4: Simplify right side
    6,903.63x = 40,691,232.70
  5. Step 5: Solve for x
    x = 40,691,232.70/6,903.63
  6. Step 6: Final answer
    x = 5,894.18

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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.