Home / 7,889.36-11,829.89-2,341.94

Finding the Fourth Proportional to 7,889.36, 11,829.89 and 2,341.94

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Solution

The fourth proportional to 7,889.36, 11,829.89 and 2,341.94 is: 3,511.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.36 : 11,829.89 = 2,341.94 : x
  2. Step 2: Convert to fraction form
    7,889.36/11,829.89 = 2,341.94/x
  3. Step 3: Cross multiply
    7,889.36x = 11,829.89 × 2,341.94
  4. Step 4: Simplify right side
    7,889.36x = 27,704,821.73
  5. Step 5: Solve for x
    x = 27,704,821.73/7,889.36
  6. Step 6: Final answer
    x = 3,511.67

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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.