Home / 4,187.88-6,281.76-1,413.96

Finding the Fourth Proportional to 4,187.88, 6,281.76 and 1,413.96

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Solution

The fourth proportional to 4,187.88, 6,281.76 and 1,413.96 is: 2,120.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.88 : 6,281.76 = 1,413.96 : x
  2. Step 2: Convert to fraction form
    4,187.88/6,281.76 = 1,413.96/x
  3. Step 3: Cross multiply
    4,187.88x = 6,281.76 × 1,413.96
  4. Step 4: Simplify right side
    4,187.88x = 8,882,157.37
  5. Step 5: Solve for x
    x = 8,882,157.37/4,187.88
  6. Step 6: Final answer
    x = 2,120.92

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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.