Home / 5,670.96-8,495.37-3,198.30

Finding the Fourth Proportional to 5,670.96, 8,495.37 and 3,198.30

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Solution

The fourth proportional to 5,670.96, 8,495.37 and 3,198.30 is: 4,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.96 : 8,495.37 = 3,198.30 : x
  2. Step 2: Convert to fraction form
    5,670.96/8,495.37 = 3,198.30/x
  3. Step 3: Cross multiply
    5,670.96x = 8,495.37 × 3,198.30
  4. Step 4: Simplify right side
    5,670.96x = 27,170,741.87
  5. Step 5: Solve for x
    x = 27,170,741.87/5,670.96
  6. Step 6: Final answer
    x = 4,791.21

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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.