Home / 4,960.21-7,438.29-2,185.96

Finding the Fourth Proportional to 4,960.21, 7,438.29 and 2,185.96

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Solution

The fourth proportional to 4,960.21, 7,438.29 and 2,185.96 is: 3,278.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,960.21 : 7,438.29 = 2,185.96 : x
  2. Step 2: Convert to fraction form
    4,960.21/7,438.29 = 2,185.96/x
  3. Step 3: Cross multiply
    4,960.21x = 7,438.29 × 2,185.96
  4. Step 4: Simplify right side
    4,960.21x = 16,259,804.41
  5. Step 5: Solve for x
    x = 16,259,804.41/4,960.21
  6. Step 6: Final answer
    x = 3,278.05

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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.