Home / 7,219.68-10,829.79-2,025.69

Finding the Fourth Proportional to 7,219.68, 10,829.79 and 2,025.69

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Solution

The fourth proportional to 7,219.68, 10,829.79 and 2,025.69 is: 3,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.68 : 10,829.79 = 2,025.69 : x
  2. Step 2: Convert to fraction form
    7,219.68/10,829.79 = 2,025.69/x
  3. Step 3: Cross multiply
    7,219.68x = 10,829.79 × 2,025.69
  4. Step 4: Simplify right side
    7,219.68x = 21,937,797.31
  5. Step 5: Solve for x
    x = 21,937,797.31/7,219.68
  6. Step 6: Final answer
    x = 3,038.61

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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.