Home / 4,967.21-7,453.40-2,195.80

Finding the Fourth Proportional to 4,967.21, 7,453.40 and 2,195.80

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Solution

The fourth proportional to 4,967.21, 7,453.40 and 2,195.80 is: 3,294.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,967.21 : 7,453.40 = 2,195.80 : x
  2. Step 2: Convert to fraction form
    4,967.21/7,453.40 = 2,195.80/x
  3. Step 3: Cross multiply
    4,967.21x = 7,453.40 × 2,195.80
  4. Step 4: Simplify right side
    4,967.21x = 16,366,175.72
  5. Step 5: Solve for x
    x = 16,366,175.72/4,967.21
  6. Step 6: Final answer
    x = 3,294.84

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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.