Home / 4,948.42-7,422-2,174.56

Finding the Fourth Proportional to 4,948.42, 7,422 and 2,174.56

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Solution

The fourth proportional to 4,948.42, 7,422 and 2,174.56 is: 3,261.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.42 : 7,422 = 2,174.56 : x
  2. Step 2: Convert to fraction form
    4,948.42/7,422 = 2,174.56/x
  3. Step 3: Cross multiply
    4,948.42x = 7,422 × 2,174.56
  4. Step 4: Simplify right side
    4,948.42x = 16,139,584.32
  5. Step 5: Solve for x
    x = 16,139,584.32/4,948.42
  6. Step 6: Final answer
    x = 3,261.56

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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.