Home / 8,069.60-12,087.39-3,690.74

Finding the Fourth Proportional to 8,069.60, 12,087.39 and 3,690.74

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Solution

The fourth proportional to 8,069.60, 12,087.39 and 3,690.74 is: 5,528.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,069.60 : 12,087.39 = 3,690.74 : x
  2. Step 2: Convert to fraction form
    8,069.60/12,087.39 = 3,690.74/x
  3. Step 3: Cross multiply
    8,069.60x = 12,087.39 × 3,690.74
  4. Step 4: Simplify right side
    8,069.60x = 44,611,413.77
  5. Step 5: Solve for x
    x = 44,611,413.77/8,069.60
  6. Step 6: Final answer
    x = 5,528.33

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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.