Home / 6,140.70-9,198.90-3,668.18

Finding the Fourth Proportional to 6,140.70, 9,198.90 and 3,668.18

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Solution

The fourth proportional to 6,140.70, 9,198.90 and 3,668.18 is: 5,495.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.70 : 9,198.90 = 3,668.18 : x
  2. Step 2: Convert to fraction form
    6,140.70/9,198.90 = 3,668.18/x
  3. Step 3: Cross multiply
    6,140.70x = 9,198.90 × 3,668.18
  4. Step 4: Simplify right side
    6,140.70x = 33,743,175.01
  5. Step 5: Solve for x
    x = 33,743,175.01/6,140.70
  6. Step 6: Final answer
    x = 5,495.00

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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.