Home / 4,919.14-7,374.24-2,945.35

Finding the Fourth Proportional to 4,919.14, 7,374.24 and 2,945.35

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Solution

The fourth proportional to 4,919.14, 7,374.24 and 2,945.35 is: 4,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.14 : 7,374.24 = 2,945.35 : x
  2. Step 2: Convert to fraction form
    4,919.14/7,374.24 = 2,945.35/x
  3. Step 3: Cross multiply
    4,919.14x = 7,374.24 × 2,945.35
  4. Step 4: Simplify right side
    4,919.14x = 21,719,717.78
  5. Step 5: Solve for x
    x = 21,719,717.78/4,919.14
  6. Step 6: Final answer
    x = 4,415.35

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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.