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Finding the Fourth Proportional to 8,541.27, 12,813.54 and 2,699.55

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Solution

The fourth proportional to 8,541.27, 12,813.54 and 2,699.55 is: 4,049.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.27 : 12,813.54 = 2,699.55 : x
  2. Step 2: Convert to fraction form
    8,541.27/12,813.54 = 2,699.55/x
  3. Step 3: Cross multiply
    8,541.27x = 12,813.54 × 2,699.55
  4. Step 4: Simplify right side
    8,541.27x = 34,590,791.91
  5. Step 5: Solve for x
    x = 34,590,791.91/8,541.27
  6. Step 6: Final answer
    x = 4,049.84

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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.