Home / 4,155.63-6,229.60-2,180.85

Finding the Fourth Proportional to 4,155.63, 6,229.60 and 2,180.85

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Solution

The fourth proportional to 4,155.63, 6,229.60 and 2,180.85 is: 3,269.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.63 : 6,229.60 = 2,180.85 : x
  2. Step 2: Convert to fraction form
    4,155.63/6,229.60 = 2,180.85/x
  3. Step 3: Cross multiply
    4,155.63x = 6,229.60 × 2,180.85
  4. Step 4: Simplify right side
    4,155.63x = 13,585,817.71
  5. Step 5: Solve for x
    x = 13,585,817.71/4,155.63
  6. Step 6: Final answer
    x = 3,269.26

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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.