Home / 4,398.20-6,069.84-2,630.78

Finding the Fourth Proportional to 4,398.20, 6,069.84 and 2,630.78

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Solution

The fourth proportional to 4,398.20, 6,069.84 and 2,630.78 is: 3,630.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,398.20 : 6,069.84 = 2,630.78 : x
  2. Step 2: Convert to fraction form
    4,398.20/6,069.84 = 2,630.78/x
  3. Step 3: Cross multiply
    4,398.20x = 6,069.84 × 2,630.78
  4. Step 4: Simplify right side
    4,398.20x = 15,968,413.68
  5. Step 5: Solve for x
    x = 15,968,413.68/4,398.20
  6. Step 6: Final answer
    x = 3,630.67

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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.