Home / 8,361.24-12,545.28-2,815.26

Finding the Fourth Proportional to 8,361.24, 12,545.28 and 2,815.26

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Solution

The fourth proportional to 8,361.24, 12,545.28 and 2,815.26 is: 4,224.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.24 : 12,545.28 = 2,815.26 : x
  2. Step 2: Convert to fraction form
    8,361.24/12,545.28 = 2,815.26/x
  3. Step 3: Cross multiply
    8,361.24x = 12,545.28 × 2,815.26
  4. Step 4: Simplify right side
    8,361.24x = 35,318,224.97
  5. Step 5: Solve for x
    x = 35,318,224.97/8,361.24
  6. Step 6: Final answer
    x = 4,224.04

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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.