Home / 4,821.10-7,223.55-3,176.80

Finding the Fourth Proportional to 4,821.10, 7,223.55 and 3,176.80

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Solution

The fourth proportional to 4,821.10, 7,223.55 and 3,176.80 is: 4,759.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.10 : 7,223.55 = 3,176.80 : x
  2. Step 2: Convert to fraction form
    4,821.10/7,223.55 = 3,176.80/x
  3. Step 3: Cross multiply
    4,821.10x = 7,223.55 × 3,176.80
  4. Step 4: Simplify right side
    4,821.10x = 22,947,773.64
  5. Step 5: Solve for x
    x = 22,947,773.64/4,821.10
  6. Step 6: Final answer
    x = 4,759.86

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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.