Home / 6,399.76-9,599.37-2,020.36

Finding the Fourth Proportional to 6,399.76, 9,599.37 and 2,020.36

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Solution

The fourth proportional to 6,399.76, 9,599.37 and 2,020.36 is: 3,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.76 : 9,599.37 = 2,020.36 : x
  2. Step 2: Convert to fraction form
    6,399.76/9,599.37 = 2,020.36/x
  3. Step 3: Cross multiply
    6,399.76x = 9,599.37 × 2,020.36
  4. Step 4: Simplify right side
    6,399.76x = 19,394,183.17
  5. Step 5: Solve for x
    x = 19,394,183.17/6,399.76
  6. Step 6: Final answer
    x = 3,030.45

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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.