Home / 5,110.41-7,052.63-2,872.65

Finding the Fourth Proportional to 5,110.41, 7,052.63 and 2,872.65

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Solution

The fourth proportional to 5,110.41, 7,052.63 and 2,872.65 is: 3,964.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.41 : 7,052.63 = 2,872.65 : x
  2. Step 2: Convert to fraction form
    5,110.41/7,052.63 = 2,872.65/x
  3. Step 3: Cross multiply
    5,110.41x = 7,052.63 × 2,872.65
  4. Step 4: Simplify right side
    5,110.41x = 20,259,737.57
  5. Step 5: Solve for x
    x = 20,259,737.57/5,110.41
  6. Step 6: Final answer
    x = 3,964.41

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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.