Home / 8,644.15-12,933.51-5,136.04

Finding the Fourth Proportional to 8,644.15, 12,933.51 and 5,136.04

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Solution

The fourth proportional to 8,644.15, 12,933.51 and 5,136.04 is: 7,684.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,644.15 : 12,933.51 = 5,136.04 : x
  2. Step 2: Convert to fraction form
    8,644.15/12,933.51 = 5,136.04/x
  3. Step 3: Cross multiply
    8,644.15x = 12,933.51 × 5,136.04
  4. Step 4: Simplify right side
    8,644.15x = 66,427,024.70
  5. Step 5: Solve for x
    x = 66,427,024.70/8,644.15
  6. Step 6: Final answer
    x = 7,684.62

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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.