Home / 6,403.44-9,603.94-2,019.72

Finding the Fourth Proportional to 6,403.44, 9,603.94 and 2,019.72

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Solution

The fourth proportional to 6,403.44, 9,603.94 and 2,019.72 is: 3,029.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.44 : 9,603.94 = 2,019.72 : x
  2. Step 2: Convert to fraction form
    6,403.44/9,603.94 = 2,019.72/x
  3. Step 3: Cross multiply
    6,403.44x = 9,603.94 × 2,019.72
  4. Step 4: Simplify right side
    6,403.44x = 19,397,269.70
  5. Step 5: Solve for x
    x = 19,397,269.70/6,403.44
  6. Step 6: Final answer
    x = 3,029.20

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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.