Home / 4,964.16-7,447.60-2,191.44

Finding the Fourth Proportional to 4,964.16, 7,447.60 and 2,191.44

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Solution

The fourth proportional to 4,964.16, 7,447.60 and 2,191.44 is: 3,287.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,964.16 : 7,447.60 = 2,191.44 : x
  2. Step 2: Convert to fraction form
    4,964.16/7,447.60 = 2,191.44/x
  3. Step 3: Cross multiply
    4,964.16x = 7,447.60 × 2,191.44
  4. Step 4: Simplify right side
    4,964.16x = 16,320,968.54
  5. Step 5: Solve for x
    x = 16,320,968.54/4,964.16
  6. Step 6: Final answer
    x = 3,287.76

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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.