Home / 4,270.96-6,399.96-3,170.18

Finding the Fourth Proportional to 4,270.96, 6,399.96 and 3,170.18

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Solution

The fourth proportional to 4,270.96, 6,399.96 and 3,170.18 is: 4,750.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.96 : 6,399.96 = 3,170.18 : x
  2. Step 2: Convert to fraction form
    4,270.96/6,399.96 = 3,170.18/x
  3. Step 3: Cross multiply
    4,270.96x = 6,399.96 × 3,170.18
  4. Step 4: Simplify right side
    4,270.96x = 20,289,025.19
  5. Step 5: Solve for x
    x = 20,289,025.19/4,270.96
  6. Step 6: Final answer
    x = 4,750.46

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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.