Home / 6,945.42-9,586.35-3,963

Finding the Fourth Proportional to 6,945.42, 9,586.35 and 3,963

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Solution

The fourth proportional to 6,945.42, 9,586.35 and 3,963 is: 5,469.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.42 : 9,586.35 = 3,963 : x
  2. Step 2: Convert to fraction form
    6,945.42/9,586.35 = 3,963/x
  3. Step 3: Cross multiply
    6,945.42x = 9,586.35 × 3,963
  4. Step 4: Simplify right side
    6,945.42x = 37,990,705.05
  5. Step 5: Solve for x
    x = 37,990,705.05/6,945.42
  6. Step 6: Final answer
    x = 5,469.89

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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.