Home / 6,146.97-9,220.72-1,986.96

Finding the Fourth Proportional to 6,146.97, 9,220.72 and 1,986.96

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Solution

The fourth proportional to 6,146.97, 9,220.72 and 1,986.96 is: 2,980.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,146.97 : 9,220.72 = 1,986.96 : x
  2. Step 2: Convert to fraction form
    6,146.97/9,220.72 = 1,986.96/x
  3. Step 3: Cross multiply
    6,146.97x = 9,220.72 × 1,986.96
  4. Step 4: Simplify right side
    6,146.97x = 18,321,201.81
  5. Step 5: Solve for x
    x = 18,321,201.81/6,146.97
  6. Step 6: Final answer
    x = 2,980.53

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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.