Home / 8,118.26-12,172.76-2,573

Finding the Fourth Proportional to 8,118.26, 12,172.76 and 2,573

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Solution

The fourth proportional to 8,118.26, 12,172.76 and 2,573 is: 3,858.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.26 : 12,172.76 = 2,573 : x
  2. Step 2: Convert to fraction form
    8,118.26/12,172.76 = 2,573/x
  3. Step 3: Cross multiply
    8,118.26x = 12,172.76 × 2,573
  4. Step 4: Simplify right side
    8,118.26x = 31,320,511.48
  5. Step 5: Solve for x
    x = 31,320,511.48/8,118.26
  6. Step 6: Final answer
    x = 3,858.03

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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.