Home / 7,984.18-11,965.29-4,080.43

Finding the Fourth Proportional to 7,984.18, 11,965.29 and 4,080.43

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Solution

The fourth proportional to 7,984.18, 11,965.29 and 4,080.43 is: 6,115.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.18 : 11,965.29 = 4,080.43 : x
  2. Step 2: Convert to fraction form
    7,984.18/11,965.29 = 4,080.43/x
  3. Step 3: Cross multiply
    7,984.18x = 11,965.29 × 4,080.43
  4. Step 4: Simplify right side
    7,984.18x = 48,823,528.27
  5. Step 5: Solve for x
    x = 48,823,528.27/7,984.18
  6. Step 6: Final answer
    x = 6,115.03

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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.