Home / 6,810.91-9,399.07-3,826.75

Finding the Fourth Proportional to 6,810.91, 9,399.07 and 3,826.75

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Solution

The fourth proportional to 6,810.91, 9,399.07 and 3,826.75 is: 5,280.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.91 : 9,399.07 = 3,826.75 : x
  2. Step 2: Convert to fraction form
    6,810.91/9,399.07 = 3,826.75/x
  3. Step 3: Cross multiply
    6,810.91x = 9,399.07 × 3,826.75
  4. Step 4: Simplify right side
    6,810.91x = 35,967,834.56
  5. Step 5: Solve for x
    x = 35,967,834.56/6,810.91
  6. Step 6: Final answer
    x = 5,280.91

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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.