Home / 7,984.89-11,018.97-4,448.43

Finding the Fourth Proportional to 7,984.89, 11,018.97 and 4,448.43

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Solution

The fourth proportional to 7,984.89, 11,018.97 and 4,448.43 is: 6,138.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.89 : 11,018.97 = 4,448.43 : x
  2. Step 2: Convert to fraction form
    7,984.89/11,018.97 = 4,448.43/x
  3. Step 3: Cross multiply
    7,984.89x = 11,018.97 × 4,448.43
  4. Step 4: Simplify right side
    7,984.89x = 49,017,116.72
  5. Step 5: Solve for x
    x = 49,017,116.72/7,984.89
  6. Step 6: Final answer
    x = 6,138.73

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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.