Home / 4,783.30-7,168.75-3,540.81

Finding the Fourth Proportional to 4,783.30, 7,168.75 and 3,540.81

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Solution

The fourth proportional to 4,783.30, 7,168.75 and 3,540.81 is: 5,306.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.30 : 7,168.75 = 3,540.81 : x
  2. Step 2: Convert to fraction form
    4,783.30/7,168.75 = 3,540.81/x
  3. Step 3: Cross multiply
    4,783.30x = 7,168.75 × 3,540.81
  4. Step 4: Simplify right side
    4,783.30x = 25,383,219.64
  5. Step 5: Solve for x
    x = 25,383,219.64/4,783.30
  6. Step 6: Final answer
    x = 5,306.63

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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.