Home / 7,976.56-11,955.84-4,072.72

Finding the Fourth Proportional to 7,976.56, 11,955.84 and 4,072.72

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Solution

The fourth proportional to 7,976.56, 11,955.84 and 4,072.72 is: 6,104.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.56 : 11,955.84 = 4,072.72 : x
  2. Step 2: Convert to fraction form
    7,976.56/11,955.84 = 4,072.72/x
  3. Step 3: Cross multiply
    7,976.56x = 11,955.84 × 4,072.72
  4. Step 4: Simplify right side
    7,976.56x = 48,692,788.68
  5. Step 5: Solve for x
    x = 48,692,788.68/7,976.56
  6. Step 6: Final answer
    x = 6,104.48

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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.