Home / 4,872.55-6,723.71-2,748.60

Finding the Fourth Proportional to 4,872.55, 6,723.71 and 2,748.60

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Solution

The fourth proportional to 4,872.55, 6,723.71 and 2,748.60 is: 3,792.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.55 : 6,723.71 = 2,748.60 : x
  2. Step 2: Convert to fraction form
    4,872.55/6,723.71 = 2,748.60/x
  3. Step 3: Cross multiply
    4,872.55x = 6,723.71 × 2,748.60
  4. Step 4: Simplify right side
    4,872.55x = 18,480,775.56
  5. Step 5: Solve for x
    x = 18,480,775.56/4,872.55
  6. Step 6: Final answer
    x = 3,792.84

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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.