Home / 8,416.26-11,614.32-4,879.80

Finding the Fourth Proportional to 8,416.26, 11,614.32 and 4,879.80

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Solution

The fourth proportional to 8,416.26, 11,614.32 and 4,879.80 is: 6,734.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.26 : 11,614.32 = 4,879.80 : x
  2. Step 2: Convert to fraction form
    8,416.26/11,614.32 = 4,879.80/x
  3. Step 3: Cross multiply
    8,416.26x = 11,614.32 × 4,879.80
  4. Step 4: Simplify right side
    8,416.26x = 56,675,558.74
  5. Step 5: Solve for x
    x = 56,675,558.74/8,416.26
  6. Step 6: Final answer
    x = 6,734.06

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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.