Home / 4,872.42-6,722.19-2,775.33

Finding the Fourth Proportional to 4,872.42, 6,722.19 and 2,775.33

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Solution

The fourth proportional to 4,872.42, 6,722.19 and 2,775.33 is: 3,828.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.42 : 6,722.19 = 2,775.33 : x
  2. Step 2: Convert to fraction form
    4,872.42/6,722.19 = 2,775.33/x
  3. Step 3: Cross multiply
    4,872.42x = 6,722.19 × 2,775.33
  4. Step 4: Simplify right side
    4,872.42x = 18,656,295.57
  5. Step 5: Solve for x
    x = 18,656,295.57/4,872.42
  6. Step 6: Final answer
    x = 3,828.96

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1.5x scale

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.