Home / 7,988.43-11,984.31-2,723.03

Finding the Fourth Proportional to 7,988.43, 11,984.31 and 2,723.03

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Solution

The fourth proportional to 7,988.43, 11,984.31 and 2,723.03 is: 4,085.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.43 : 11,984.31 = 2,723.03 : x
  2. Step 2: Convert to fraction form
    7,988.43/11,984.31 = 2,723.03/x
  3. Step 3: Cross multiply
    7,988.43x = 11,984.31 × 2,723.03
  4. Step 4: Simplify right side
    7,988.43x = 32,633,620.68
  5. Step 5: Solve for x
    x = 32,633,620.68/7,988.43
  6. Step 6: Final answer
    x = 4,085.11

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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.