Home / 6,980.02-9,628.41-4,183.90

Finding the Fourth Proportional to 6,980.02, 9,628.41 and 4,183.90

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Solution

The fourth proportional to 6,980.02, 9,628.41 and 4,183.90 is: 5,771.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980.02 : 9,628.41 = 4,183.90 : x
  2. Step 2: Convert to fraction form
    6,980.02/9,628.41 = 4,183.90/x
  3. Step 3: Cross multiply
    6,980.02x = 9,628.41 × 4,183.90
  4. Step 4: Simplify right side
    6,980.02x = 40,284,304.60
  5. Step 5: Solve for x
    x = 40,284,304.60/6,980.02
  6. Step 6: Final answer
    x = 5,771.37

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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.