Home / 5,110.85-7,053.08-2,872.73

Finding the Fourth Proportional to 5,110.85, 7,053.08 and 2,872.73

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Solution

The fourth proportional to 5,110.85, 7,053.08 and 2,872.73 is: 3,964.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.85 : 7,053.08 = 2,872.73 : x
  2. Step 2: Convert to fraction form
    5,110.85/7,053.08 = 2,872.73/x
  3. Step 3: Cross multiply
    5,110.85x = 7,053.08 × 2,872.73
  4. Step 4: Simplify right side
    5,110.85x = 20,261,544.88
  5. Step 5: Solve for x
    x = 20,261,544.88/5,110.85
  6. Step 6: Final answer
    x = 3,964.42

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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.