Home / 6,790.64-10,185.85-3,278.27

Finding the Fourth Proportional to 6,790.64, 10,185.85 and 3,278.27

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Solution

The fourth proportional to 6,790.64, 10,185.85 and 3,278.27 is: 4,917.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.64 : 10,185.85 = 3,278.27 : x
  2. Step 2: Convert to fraction form
    6,790.64/10,185.85 = 3,278.27/x
  3. Step 3: Cross multiply
    6,790.64x = 10,185.85 × 3,278.27
  4. Step 4: Simplify right side
    6,790.64x = 33,391,996.04
  5. Step 5: Solve for x
    x = 33,391,996.04/6,790.64
  6. Step 6: Final answer
    x = 4,917.36

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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.