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Finding the Fourth Proportional to 6,961.31, 9,606.62 and 3,817.50

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Solution

The fourth proportional to 6,961.31, 9,606.62 and 3,817.50 is: 5,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.31 : 9,606.62 = 3,817.50 : x
  2. Step 2: Convert to fraction form
    6,961.31/9,606.62 = 3,817.50/x
  3. Step 3: Cross multiply
    6,961.31x = 9,606.62 × 3,817.50
  4. Step 4: Simplify right side
    6,961.31x = 36,673,252.76
  5. Step 5: Solve for x
    x = 36,673,252.76/6,961.31
  6. Step 6: Final answer
    x = 5,268.15

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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.