Home / 6,923.70-10,386.03-1,993.38

Finding the Fourth Proportional to 6,923.70, 10,386.03 and 1,993.38

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Solution

The fourth proportional to 6,923.70, 10,386.03 and 1,993.38 is: 2,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.70 : 10,386.03 = 1,993.38 : x
  2. Step 2: Convert to fraction form
    6,923.70/10,386.03 = 1,993.38/x
  3. Step 3: Cross multiply
    6,923.70x = 10,386.03 × 1,993.38
  4. Step 4: Simplify right side
    6,923.70x = 20,703,304.48
  5. Step 5: Solve for x
    x = 20,703,304.48/6,923.70
  6. Step 6: Final answer
    x = 2,990.21

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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.