Home / 7,028.62-9,698.67-3,884.62

Finding the Fourth Proportional to 7,028.62, 9,698.67 and 3,884.62

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Solution

The fourth proportional to 7,028.62, 9,698.67 and 3,884.62 is: 5,360.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.62 : 9,698.67 = 3,884.62 : x
  2. Step 2: Convert to fraction form
    7,028.62/9,698.67 = 3,884.62/x
  3. Step 3: Cross multiply
    7,028.62x = 9,698.67 × 3,884.62
  4. Step 4: Simplify right side
    7,028.62x = 37,675,647.46
  5. Step 5: Solve for x
    x = 37,675,647.46/7,028.62
  6. Step 6: Final answer
    x = 5,360.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.