Home / 8,813.10-13,219.62-2,239.38

Finding the Fourth Proportional to 8,813.10, 13,219.62 and 2,239.38

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Solution

The fourth proportional to 8,813.10, 13,219.62 and 2,239.38 is: 3,359.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.10 : 13,219.62 = 2,239.38 : x
  2. Step 2: Convert to fraction form
    8,813.10/13,219.62 = 2,239.38/x
  3. Step 3: Cross multiply
    8,813.10x = 13,219.62 × 2,239.38
  4. Step 4: Simplify right side
    8,813.10x = 29,603,752.64
  5. Step 5: Solve for x
    x = 29,603,752.64/8,813.10
  6. Step 6: Final answer
    x = 3,359.06

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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.