Home / 5,555.96-7,667.23-3,198.10

Finding the Fourth Proportional to 5,555.96, 7,667.23 and 3,198.10

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Solution

The fourth proportional to 5,555.96, 7,667.23 and 3,198.10 is: 4,413.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.96 : 7,667.23 = 3,198.10 : x
  2. Step 2: Convert to fraction form
    5,555.96/7,667.23 = 3,198.10/x
  3. Step 3: Cross multiply
    5,555.96x = 7,667.23 × 3,198.10
  4. Step 4: Simplify right side
    5,555.96x = 24,520,587.43
  5. Step 5: Solve for x
    x = 24,520,587.43/5,555.96
  6. Step 6: Final answer
    x = 4,413.38

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.