Home / 7,028.14-9,698.46-3,884.14

Finding the Fourth Proportional to 7,028.14, 9,698.46 and 3,884.14

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Solution

The fourth proportional to 7,028.14, 9,698.46 and 3,884.14 is: 5,359.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.14 : 9,698.46 = 3,884.14 : x
  2. Step 2: Convert to fraction form
    7,028.14/9,698.46 = 3,884.14/x
  3. Step 3: Cross multiply
    7,028.14x = 9,698.46 × 3,884.14
  4. Step 4: Simplify right side
    7,028.14x = 37,670,176.42
  5. Step 5: Solve for x
    x = 37,670,176.42/7,028.14
  6. Step 6: Final answer
    x = 5,359.91

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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.