Home / 4,769.24-7,157.04-2,172.20

Finding the Fourth Proportional to 4,769.24, 7,157.04 and 2,172.20

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Solution

The fourth proportional to 4,769.24, 7,157.04 and 2,172.20 is: 3,259.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.24 : 7,157.04 = 2,172.20 : x
  2. Step 2: Convert to fraction form
    4,769.24/7,157.04 = 2,172.20/x
  3. Step 3: Cross multiply
    4,769.24x = 7,157.04 × 2,172.20
  4. Step 4: Simplify right side
    4,769.24x = 15,546,522.29
  5. Step 5: Solve for x
    x = 15,546,522.29/4,769.24
  6. Step 6: Final answer
    x = 3,259.75

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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.