Home / 5,175.41-7,141.83-2,817.54

Finding the Fourth Proportional to 5,175.41, 7,141.83 and 2,817.54

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Solution

The fourth proportional to 5,175.41, 7,141.83 and 2,817.54 is: 3,888.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.41 : 7,141.83 = 2,817.54 : x
  2. Step 2: Convert to fraction form
    5,175.41/7,141.83 = 2,817.54/x
  3. Step 3: Cross multiply
    5,175.41x = 7,141.83 × 2,817.54
  4. Step 4: Simplify right side
    5,175.41x = 20,122,391.70
  5. Step 5: Solve for x
    x = 20,122,391.70/5,175.41
  6. Step 6: Final answer
    x = 3,888.08

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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.