Home / 4,212.28-6,317.34-2,020.60

Finding the Fourth Proportional to 4,212.28, 6,317.34 and 2,020.60

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Solution

The fourth proportional to 4,212.28, 6,317.34 and 2,020.60 is: 3,030.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.28 : 6,317.34 = 2,020.60 : x
  2. Step 2: Convert to fraction form
    4,212.28/6,317.34 = 2,020.60/x
  3. Step 3: Cross multiply
    4,212.28x = 6,317.34 × 2,020.60
  4. Step 4: Simplify right side
    4,212.28x = 12,764,817.20
  5. Step 5: Solve for x
    x = 12,764,817.20/4,212.28
  6. Step 6: Final answer
    x = 3,030.38

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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.