Home / 6,682.19-9,221.38-3,994.63

Finding the Fourth Proportional to 6,682.19, 9,221.38 and 3,994.63

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Solution

The fourth proportional to 6,682.19, 9,221.38 and 3,994.63 is: 5,512.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,682.19 : 9,221.38 = 3,994.63 : x
  2. Step 2: Convert to fraction form
    6,682.19/9,221.38 = 3,994.63/x
  3. Step 3: Cross multiply
    6,682.19x = 9,221.38 × 3,994.63
  4. Step 4: Simplify right side
    6,682.19x = 36,835,968.15
  5. Step 5: Solve for x
    x = 36,835,968.15/6,682.19
  6. Step 6: Final answer
    x = 5,512.56

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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.