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Finding the Fourth Proportional to 8,596.70, 12,895.00 and 2,753.29

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Solution

The fourth proportional to 8,596.70, 12,895.00 and 2,753.29 is: 4,129.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,596.70 : 12,895.00 = 2,753.29 : x
  2. Step 2: Convert to fraction form
    8,596.70/12,895.00 = 2,753.29/x
  3. Step 3: Cross multiply
    8,596.70x = 12,895.00 × 2,753.29
  4. Step 4: Simplify right side
    8,596.70x = 35,503,683.79
  5. Step 5: Solve for x
    x = 35,503,683.79/8,596.70
  6. Step 6: Final answer
    x = 4,129.92

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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.