Home / 7,786.28-11,676.90-3,835.10

Finding the Fourth Proportional to 7,786.28, 11,676.90 and 3,835.10

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Solution

The fourth proportional to 7,786.28, 11,676.90 and 3,835.10 is: 5,751.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.28 : 11,676.90 = 3,835.10 : x
  2. Step 2: Convert to fraction form
    7,786.28/11,676.90 = 3,835.10/x
  3. Step 3: Cross multiply
    7,786.28x = 11,676.90 × 3,835.10
  4. Step 4: Simplify right side
    7,786.28x = 44,782,079.19
  5. Step 5: Solve for x
    x = 44,782,079.19/7,786.28
  6. Step 6: Final answer
    x = 5,751.41

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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.