Home / 6,811.09-9,399.58-3,826.91

Finding the Fourth Proportional to 6,811.09, 9,399.58 and 3,826.91

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Solution

The fourth proportional to 6,811.09, 9,399.58 and 3,826.91 is: 5,281.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.09 : 9,399.58 = 3,826.91 : x
  2. Step 2: Convert to fraction form
    6,811.09/9,399.58 = 3,826.91/x
  3. Step 3: Cross multiply
    6,811.09x = 9,399.58 × 3,826.91
  4. Step 4: Simplify right side
    6,811.09x = 35,971,360.63
  5. Step 5: Solve for x
    x = 35,971,360.63/6,811.09
  6. Step 6: Final answer
    x = 5,281.29

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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.