Home / 6,790.87-9,371.37-3,806.70

Finding the Fourth Proportional to 6,790.87, 9,371.37 and 3,806.70

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Solution

The fourth proportional to 6,790.87, 9,371.37 and 3,806.70 is: 5,253.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.87 : 9,371.37 = 3,806.70 : x
  2. Step 2: Convert to fraction form
    6,790.87/9,371.37 = 3,806.70/x
  3. Step 3: Cross multiply
    6,790.87x = 9,371.37 × 3,806.70
  4. Step 4: Simplify right side
    6,790.87x = 35,673,986.86
  5. Step 5: Solve for x
    x = 35,673,986.86/6,790.87
  6. Step 6: Final answer
    x = 5,253.23

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1.5x scale

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.