Home / 8,412.30-11,608.62-4,876.68

Finding the Fourth Proportional to 8,412.30, 11,608.62 and 4,876.68

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Solution

The fourth proportional to 8,412.30, 11,608.62 and 4,876.68 is: 6,729.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.30 : 11,608.62 = 4,876.68 : x
  2. Step 2: Convert to fraction form
    8,412.30/11,608.62 = 4,876.68/x
  3. Step 3: Cross multiply
    8,412.30x = 11,608.62 × 4,876.68
  4. Step 4: Simplify right side
    8,412.30x = 56,611,524.98
  5. Step 5: Solve for x
    x = 56,611,524.98/8,412.30
  6. Step 6: Final answer
    x = 6,729.61

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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.