Home / 6,190.90-9,287.70-3,072.60

Finding the Fourth Proportional to 6,190.90, 9,287.70 and 3,072.60

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Solution

The fourth proportional to 6,190.90, 9,287.70 and 3,072.60 is: 4,609.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.90 : 9,287.70 = 3,072.60 : x
  2. Step 2: Convert to fraction form
    6,190.90/9,287.70 = 3,072.60/x
  3. Step 3: Cross multiply
    6,190.90x = 9,287.70 × 3,072.60
  4. Step 4: Simplify right side
    6,190.90x = 28,537,387.02
  5. Step 5: Solve for x
    x = 28,537,387.02/6,190.90
  6. Step 6: Final answer
    x = 4,609.57

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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.