Home / 7,927.18-11,889.78-2,662

Finding the Fourth Proportional to 7,927.18, 11,889.78 and 2,662

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Solution

The fourth proportional to 7,927.18, 11,889.78 and 2,662 is: 3,992.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.18 : 11,889.78 = 2,662 : x
  2. Step 2: Convert to fraction form
    7,927.18/11,889.78 = 2,662/x
  3. Step 3: Cross multiply
    7,927.18x = 11,889.78 × 2,662
  4. Step 4: Simplify right side
    7,927.18x = 31,650,594.36
  5. Step 5: Solve for x
    x = 31,650,594.36/7,927.18
  6. Step 6: Final answer
    x = 3,992.67

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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.