Home / 6,683.38-10,019.67-2,790.70

Finding the Fourth Proportional to 6,683.38, 10,019.67 and 2,790.70

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Solution

The fourth proportional to 6,683.38, 10,019.67 and 2,790.70 is: 4,183.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,683.38 : 10,019.67 = 2,790.70 : x
  2. Step 2: Convert to fraction form
    6,683.38/10,019.67 = 2,790.70/x
  3. Step 3: Cross multiply
    6,683.38x = 10,019.67 × 2,790.70
  4. Step 4: Simplify right side
    6,683.38x = 27,961,893.07
  5. Step 5: Solve for x
    x = 27,961,893.07/6,683.38
  6. Step 6: Final answer
    x = 4,183.80

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1.5x scale

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.