Home / 8,142.68-11,236.92-4,416.68

Finding the Fourth Proportional to 8,142.68, 11,236.92 and 4,416.68

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Solution

The fourth proportional to 8,142.68, 11,236.92 and 4,416.68 is: 6,095.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142.68 : 11,236.92 = 4,416.68 : x
  2. Step 2: Convert to fraction form
    8,142.68/11,236.92 = 4,416.68/x
  3. Step 3: Cross multiply
    8,142.68x = 11,236.92 × 4,416.68
  4. Step 4: Simplify right side
    8,142.68x = 49,629,879.83
  5. Step 5: Solve for x
    x = 49,629,879.83/8,142.68
  6. Step 6: Final answer
    x = 6,095.03

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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.