Home / 8,190.36-12,268.26-5,559.48

Finding the Fourth Proportional to 8,190.36, 12,268.26 and 5,559.48

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Solution

The fourth proportional to 8,190.36, 12,268.26 and 5,559.48 is: 8,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.36 : 12,268.26 = 5,559.48 : x
  2. Step 2: Convert to fraction form
    8,190.36/12,268.26 = 5,559.48/x
  3. Step 3: Cross multiply
    8,190.36x = 12,268.26 × 5,559.48
  4. Step 4: Simplify right side
    8,190.36x = 68,205,146.10
  5. Step 5: Solve for x
    x = 68,205,146.10/8,190.36
  6. Step 6: Final answer
    x = 8,327.49

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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.