Home / 8,352.26-12,528.60-2,805.80

Finding the Fourth Proportional to 8,352.26, 12,528.60 and 2,805.80

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Solution

The fourth proportional to 8,352.26, 12,528.60 and 2,805.80 is: 4,208.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.26 : 12,528.60 = 2,805.80 : x
  2. Step 2: Convert to fraction form
    8,352.26/12,528.60 = 2,805.80/x
  3. Step 3: Cross multiply
    8,352.26x = 12,528.60 × 2,805.80
  4. Step 4: Simplify right side
    8,352.26x = 35,152,745.88
  5. Step 5: Solve for x
    x = 35,152,745.88/8,352.26
  6. Step 6: Final answer
    x = 4,208.77

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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.