Home / 4,880.96-7,304.42-3,993.20

Finding the Fourth Proportional to 4,880.96, 7,304.42 and 3,993.20

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Solution

The fourth proportional to 4,880.96, 7,304.42 and 3,993.20 is: 5,975.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.96 : 7,304.42 = 3,993.20 : x
  2. Step 2: Convert to fraction form
    4,880.96/7,304.42 = 3,993.20/x
  3. Step 3: Cross multiply
    4,880.96x = 7,304.42 × 3,993.20
  4. Step 4: Simplify right side
    4,880.96x = 29,168,009.94
  5. Step 5: Solve for x
    x = 29,168,009.94/4,880.96
  6. Step 6: Final answer
    x = 5,975.88

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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.