Home / 6,910.14-10,365.81-1,912.53

Finding the Fourth Proportional to 6,910.14, 10,365.81 and 1,912.53

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Solution

The fourth proportional to 6,910.14, 10,365.81 and 1,912.53 is: 2,868.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910.14 : 10,365.81 = 1,912.53 : x
  2. Step 2: Convert to fraction form
    6,910.14/10,365.81 = 1,912.53/x
  3. Step 3: Cross multiply
    6,910.14x = 10,365.81 × 1,912.53
  4. Step 4: Simplify right side
    6,910.14x = 19,824,922.60
  5. Step 5: Solve for x
    x = 19,824,922.60/6,910.14
  6. Step 6: Final answer
    x = 2,868.96

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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.