Home / 4,057.80-6,086.70-3,231.60

Finding the Fourth Proportional to 4,057.80, 6,086.70 and 3,231.60

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Solution

The fourth proportional to 4,057.80, 6,086.70 and 3,231.60 is: 4,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,057.80 : 6,086.70 = 3,231.60 : x
  2. Step 2: Convert to fraction form
    4,057.80/6,086.70 = 3,231.60/x
  3. Step 3: Cross multiply
    4,057.80x = 6,086.70 × 3,231.60
  4. Step 4: Simplify right side
    4,057.80x = 19,669,779.72
  5. Step 5: Solve for x
    x = 19,669,779.72/4,057.80
  6. Step 6: Final answer
    x = 4,847.40

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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.