Home / 7,682.41-11,528.09-3,239.80

Finding the Fourth Proportional to 7,682.41, 11,528.09 and 3,239.80

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Solution

The fourth proportional to 7,682.41, 11,528.09 and 3,239.80 is: 4,861.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682.41 : 11,528.09 = 3,239.80 : x
  2. Step 2: Convert to fraction form
    7,682.41/11,528.09 = 3,239.80/x
  3. Step 3: Cross multiply
    7,682.41x = 11,528.09 × 3,239.80
  4. Step 4: Simplify right side
    7,682.41x = 37,348,705.98
  5. Step 5: Solve for x
    x = 37,348,705.98/7,682.41
  6. Step 6: Final answer
    x = 4,861.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.