Home / 4,917.84-6,786.44-2,679.67

Finding the Fourth Proportional to 4,917.84, 6,786.44 and 2,679.67

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Solution

The fourth proportional to 4,917.84, 6,786.44 and 2,679.67 is: 3,697.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.84 : 6,786.44 = 2,679.67 : x
  2. Step 2: Convert to fraction form
    4,917.84/6,786.44 = 2,679.67/x
  3. Step 3: Cross multiply
    4,917.84x = 6,786.44 × 2,679.67
  4. Step 4: Simplify right side
    4,917.84x = 18,185,419.67
  5. Step 5: Solve for x
    x = 18,185,419.67/4,917.84
  6. Step 6: Final answer
    x = 3,697.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.