Home / 9,786.05-14,676.11-2,765.51

Finding the Fourth Proportional to 9,786.05, 14,676.11 and 2,765.51

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Solution

The fourth proportional to 9,786.05, 14,676.11 and 2,765.51 is: 4,147.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.05 : 14,676.11 = 2,765.51 : x
  2. Step 2: Convert to fraction form
    9,786.05/14,676.11 = 2,765.51/x
  3. Step 3: Cross multiply
    9,786.05x = 14,676.11 × 2,765.51
  4. Step 4: Simplify right side
    9,786.05x = 40,586,915.14
  5. Step 5: Solve for x
    x = 40,586,915.14/9,786.05
  6. Step 6: Final answer
    x = 4,147.43

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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.