Home / 8,790.26-13,185.30-2,216.30

Finding the Fourth Proportional to 8,790.26, 13,185.30 and 2,216.30

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Solution

The fourth proportional to 8,790.26, 13,185.30 and 2,216.30 is: 3,324.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.26 : 13,185.30 = 2,216.30 : x
  2. Step 2: Convert to fraction form
    8,790.26/13,185.30 = 2,216.30/x
  3. Step 3: Cross multiply
    8,790.26x = 13,185.30 × 2,216.30
  4. Step 4: Simplify right side
    8,790.26x = 29,222,580.39
  5. Step 5: Solve for x
    x = 29,222,580.39/8,790.26
  6. Step 6: Final answer
    x = 3,324.43

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1.5x scale

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.