Home / 7,984.98-11,976.54-3,054.48

Finding the Fourth Proportional to 7,984.98, 11,976.54 and 3,054.48

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Solution

The fourth proportional to 7,984.98, 11,976.54 and 3,054.48 is: 4,581.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.98 : 11,976.54 = 3,054.48 : x
  2. Step 2: Convert to fraction form
    7,984.98/11,976.54 = 3,054.48/x
  3. Step 3: Cross multiply
    7,984.98x = 11,976.54 × 3,054.48
  4. Step 4: Simplify right side
    7,984.98x = 36,582,101.90
  5. Step 5: Solve for x
    x = 36,582,101.90/7,984.98
  6. Step 6: Final answer
    x = 4,581.36

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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.