Home / 7,218.97-10,825.70-3,469.71

Finding the Fourth Proportional to 7,218.97, 10,825.70 and 3,469.71

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Solution

The fourth proportional to 7,218.97, 10,825.70 and 3,469.71 is: 5,203.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.97 : 10,825.70 = 3,469.71 : x
  2. Step 2: Convert to fraction form
    7,218.97/10,825.70 = 3,469.71/x
  3. Step 3: Cross multiply
    7,218.97x = 10,825.70 × 3,469.71
  4. Step 4: Simplify right side
    7,218.97x = 37,562,022.20
  5. Step 5: Solve for x
    x = 37,562,022.20/7,218.97
  6. Step 6: Final answer
    x = 5,203.24

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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.