Home / 6,790.34-9,371.84-3,959.37

Finding the Fourth Proportional to 6,790.34, 9,371.84 and 3,959.37

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Solution

The fourth proportional to 6,790.34, 9,371.84 and 3,959.37 is: 5,464.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.34 : 9,371.84 = 3,959.37 : x
  2. Step 2: Convert to fraction form
    6,790.34/9,371.84 = 3,959.37/x
  3. Step 3: Cross multiply
    6,790.34x = 9,371.84 × 3,959.37
  4. Step 4: Simplify right side
    6,790.34x = 37,106,588.70
  5. Step 5: Solve for x
    x = 37,106,588.70/6,790.34
  6. Step 6: Final answer
    x = 5,464.61

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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.