Home / 8,170.86-11,276.62-4,814.72

Finding the Fourth Proportional to 8,170.86, 11,276.62 and 4,814.72

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Solution

The fourth proportional to 8,170.86, 11,276.62 and 4,814.72 is: 6,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.86 : 11,276.62 = 4,814.72 : x
  2. Step 2: Convert to fraction form
    8,170.86/11,276.62 = 4,814.72/x
  3. Step 3: Cross multiply
    8,170.86x = 11,276.62 × 4,814.72
  4. Step 4: Simplify right side
    8,170.86x = 54,293,767.85
  5. Step 5: Solve for x
    x = 54,293,767.85/8,170.86
  6. Step 6: Final answer
    x = 6,644.80

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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.