Home / 4,801.20-7,202.28-1,722.48

Finding the Fourth Proportional to 4,801.20, 7,202.28 and 1,722.48

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Solution

The fourth proportional to 4,801.20, 7,202.28 and 1,722.48 is: 2,583.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,801.20 : 7,202.28 = 1,722.48 : x
  2. Step 2: Convert to fraction form
    4,801.20/7,202.28 = 1,722.48/x
  3. Step 3: Cross multiply
    4,801.20x = 7,202.28 × 1,722.48
  4. Step 4: Simplify right side
    4,801.20x = 12,405,783.25
  5. Step 5: Solve for x
    x = 12,405,783.25/4,801.20
  6. Step 6: Final answer
    x = 2,583.89

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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.