Home / 7,994.21-11,968.70-4,237.43

Finding the Fourth Proportional to 7,994.21, 11,968.70 and 4,237.43

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Solution

The fourth proportional to 7,994.21, 11,968.70 and 4,237.43 is: 6,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.21 : 11,968.70 = 4,237.43 : x
  2. Step 2: Convert to fraction form
    7,994.21/11,968.70 = 4,237.43/x
  3. Step 3: Cross multiply
    7,994.21x = 11,968.70 × 4,237.43
  4. Step 4: Simplify right side
    7,994.21x = 50,716,447.41
  5. Step 5: Solve for x
    x = 50,716,447.41/7,994.21
  6. Step 6: Final answer
    x = 6,344.15

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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.