Home / 5,257.44-7,888.49-2,791.67

Finding the Fourth Proportional to 5,257.44, 7,888.49 and 2,791.67

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Solution

The fourth proportional to 5,257.44, 7,888.49 and 2,791.67 is: 4,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.44 : 7,888.49 = 2,791.67 : x
  2. Step 2: Convert to fraction form
    5,257.44/7,888.49 = 2,791.67/x
  3. Step 3: Cross multiply
    5,257.44x = 7,888.49 × 2,791.67
  4. Step 4: Simplify right side
    5,257.44x = 22,022,060.88
  5. Step 5: Solve for x
    x = 22,022,060.88/5,257.44
  6. Step 6: Final answer
    x = 4,188.74

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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.