Home / 8,370.09-12,559.22-3,441.21

Finding the Fourth Proportional to 8,370.09, 12,559.22 and 3,441.21

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Solution

The fourth proportional to 8,370.09, 12,559.22 and 3,441.21 is: 5,163.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.09 : 12,559.22 = 3,441.21 : x
  2. Step 2: Convert to fraction form
    8,370.09/12,559.22 = 3,441.21/x
  3. Step 3: Cross multiply
    8,370.09x = 12,559.22 × 3,441.21
  4. Step 4: Simplify right side
    8,370.09x = 43,218,896.25
  5. Step 5: Solve for x
    x = 43,218,896.25/8,370.09
  6. Step 6: Final answer
    x = 5,163.49

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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.