Home / 8,157.36-11,260.44-6,168.36

Finding the Fourth Proportional to 8,157.36, 11,260.44 and 6,168.36

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Solution

The fourth proportional to 8,157.36, 11,260.44 and 6,168.36 is: 8,514.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.36 : 11,260.44 = 6,168.36 : x
  2. Step 2: Convert to fraction form
    8,157.36/11,260.44 = 6,168.36/x
  3. Step 3: Cross multiply
    8,157.36x = 11,260.44 × 6,168.36
  4. Step 4: Simplify right side
    8,157.36x = 69,458,447.68
  5. Step 5: Solve for x
    x = 69,458,447.68/8,157.36
  6. Step 6: Final answer
    x = 8,514.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.