Home / 4,919.49-7,374.43-3,159.56

Finding the Fourth Proportional to 4,919.49, 7,374.43 and 3,159.56

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Solution

The fourth proportional to 4,919.49, 7,374.43 and 3,159.56 is: 4,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.49 : 7,374.43 = 3,159.56 : x
  2. Step 2: Convert to fraction form
    4,919.49/7,374.43 = 3,159.56/x
  3. Step 3: Cross multiply
    4,919.49x = 7,374.43 × 3,159.56
  4. Step 4: Simplify right side
    4,919.49x = 23,299,954.05
  5. Step 5: Solve for x
    x = 23,299,954.05/4,919.49
  6. Step 6: Final answer
    x = 4,736.25

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1.5x scale

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.