Home / 4,615.85-6,372.92-2,850.05

Finding the Fourth Proportional to 4,615.85, 6,372.92 and 2,850.05

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Solution

The fourth proportional to 4,615.85, 6,372.92 and 2,850.05 is: 3,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.85 : 6,372.92 = 2,850.05 : x
  2. Step 2: Convert to fraction form
    4,615.85/6,372.92 = 2,850.05/x
  3. Step 3: Cross multiply
    4,615.85x = 6,372.92 × 2,850.05
  4. Step 4: Simplify right side
    4,615.85x = 18,163,140.65
  5. Step 5: Solve for x
    x = 18,163,140.65/4,615.85
  6. Step 6: Final answer
    x = 3,934.95

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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.