Home / 4,219.10-6,318.80-3,335.67

Finding the Fourth Proportional to 4,219.10, 6,318.80 and 3,335.67

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Solution

The fourth proportional to 4,219.10, 6,318.80 and 3,335.67 is: 4,995.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.10 : 6,318.80 = 3,335.67 : x
  2. Step 2: Convert to fraction form
    4,219.10/6,318.80 = 3,335.67/x
  3. Step 3: Cross multiply
    4,219.10x = 6,318.80 × 3,335.67
  4. Step 4: Simplify right side
    4,219.10x = 21,077,413.85
  5. Step 5: Solve for x
    x = 21,077,413.85/4,219.10
  6. Step 6: Final answer
    x = 4,995.71

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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.