Home / 6,015-8,300.70-3,922.68

Finding the Fourth Proportional to 6,015, 8,300.70 and 3,922.68

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Solution

The fourth proportional to 6,015, 8,300.70 and 3,922.68 is: 5,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,015 : 8,300.70 = 3,922.68 : x
  2. Step 2: Convert to fraction form
    6,015/8,300.70 = 3,922.68/x
  3. Step 3: Cross multiply
    6,015x = 8,300.70 × 3,922.68
  4. Step 4: Simplify right side
    6,015x = 32,560,989.88
  5. Step 5: Solve for x
    x = 32,560,989.88/6,015
  6. Step 6: Final answer
    x = 5,413.30

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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.