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Finding the Fourth Proportional to 6,957.63, 10,436.93 and 2,797.64

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Solution

The fourth proportional to 6,957.63, 10,436.93 and 2,797.64 is: 4,196.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,957.63 : 10,436.93 = 2,797.64 : x
  2. Step 2: Convert to fraction form
    6,957.63/10,436.93 = 2,797.64/x
  3. Step 3: Cross multiply
    6,957.63x = 10,436.93 × 2,797.64
  4. Step 4: Simplify right side
    6,957.63x = 29,198,784.95
  5. Step 5: Solve for x
    x = 29,198,784.95/6,957.63
  6. Step 6: Final answer
    x = 4,196.66

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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.