Home / 6,790.72-9,375.78-4,401.40

Finding the Fourth Proportional to 6,790.72, 9,375.78 and 4,401.40

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Solution

The fourth proportional to 6,790.72, 9,375.78 and 4,401.40 is: 6,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.72 : 9,375.78 = 4,401.40 : x
  2. Step 2: Convert to fraction form
    6,790.72/9,375.78 = 4,401.40/x
  3. Step 3: Cross multiply
    6,790.72x = 9,375.78 × 4,401.40
  4. Step 4: Simplify right side
    6,790.72x = 41,266,558.09
  5. Step 5: Solve for x
    x = 41,266,558.09/6,790.72
  6. Step 6: Final answer
    x = 6,076.90

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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.