Home / 7,219.54-10,829.16-2,025.28

Finding the Fourth Proportional to 7,219.54, 10,829.16 and 2,025.28

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Solution

The fourth proportional to 7,219.54, 10,829.16 and 2,025.28 is: 3,037.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.54 : 10,829.16 = 2,025.28 : x
  2. Step 2: Convert to fraction form
    7,219.54/10,829.16 = 2,025.28/x
  3. Step 3: Cross multiply
    7,219.54x = 10,829.16 × 2,025.28
  4. Step 4: Simplify right side
    7,219.54x = 21,932,081.16
  5. Step 5: Solve for x
    x = 21,932,081.16/7,219.54
  6. Step 6: Final answer
    x = 3,037.88

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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.