Home / 7,224.78-10,837.20-2,844.30

Finding the Fourth Proportional to 7,224.78, 10,837.20 and 2,844.30

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Solution

The fourth proportional to 7,224.78, 10,837.20 and 2,844.30 is: 4,266.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224.78 : 10,837.20 = 2,844.30 : x
  2. Step 2: Convert to fraction form
    7,224.78/10,837.20 = 2,844.30/x
  3. Step 3: Cross multiply
    7,224.78x = 10,837.20 × 2,844.30
  4. Step 4: Simplify right side
    7,224.78x = 30,824,247.96
  5. Step 5: Solve for x
    x = 30,824,247.96/7,224.78
  6. Step 6: Final answer
    x = 4,266.46

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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.