Home / 6,400.20-9,601.35-2,016.60

Finding the Fourth Proportional to 6,400.20, 9,601.35 and 2,016.60

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Solution

The fourth proportional to 6,400.20, 9,601.35 and 2,016.60 is: 3,025.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400.20 : 9,601.35 = 2,016.60 : x
  2. Step 2: Convert to fraction form
    6,400.20/9,601.35 = 2,016.60/x
  3. Step 3: Cross multiply
    6,400.20x = 9,601.35 × 2,016.60
  4. Step 4: Simplify right side
    6,400.20x = 19,362,082.41
  5. Step 5: Solve for x
    x = 19,362,082.41/6,400.20
  6. Step 6: Final answer
    x = 3,025.23

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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.