Home / 8,144.23-11,231.62-6,887.92

Finding the Fourth Proportional to 8,144.23, 11,231.62 and 6,887.92

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Solution

The fourth proportional to 8,144.23, 11,231.62 and 6,887.92 is: 9,499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.23 : 11,231.62 = 6,887.92 : x
  2. Step 2: Convert to fraction form
    8,144.23/11,231.62 = 6,887.92/x
  3. Step 3: Cross multiply
    8,144.23x = 11,231.62 × 6,887.92
  4. Step 4: Simplify right side
    8,144.23x = 77,362,500.03
  5. Step 5: Solve for x
    x = 77,362,500.03/8,144.23
  6. Step 6: Final answer
    x = 9,499.06

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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.