Home / 6,965.56-9,612.66-3,821.86

Finding the Fourth Proportional to 6,965.56, 9,612.66 and 3,821.86

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Solution

The fourth proportional to 6,965.56, 9,612.66 and 3,821.86 is: 5,274.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,965.56 : 9,612.66 = 3,821.86 : x
  2. Step 2: Convert to fraction form
    6,965.56/9,612.66 = 3,821.86/x
  3. Step 3: Cross multiply
    6,965.56x = 9,612.66 × 3,821.86
  4. Step 4: Simplify right side
    6,965.56x = 36,738,240.75
  5. Step 5: Solve for x
    x = 36,738,240.75/6,965.56
  6. Step 6: Final answer
    x = 5,274.27

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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.