Home / 5,175.27-7,141.91-2,817.42

Finding the Fourth Proportional to 5,175.27, 7,141.91 and 2,817.42

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Solution

The fourth proportional to 5,175.27, 7,141.91 and 2,817.42 is: 3,888.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.27 : 7,141.91 = 2,817.42 : x
  2. Step 2: Convert to fraction form
    5,175.27/7,141.91 = 2,817.42/x
  3. Step 3: Cross multiply
    5,175.27x = 7,141.91 × 2,817.42
  4. Step 4: Simplify right side
    5,175.27x = 20,121,760.07
  5. Step 5: Solve for x
    x = 20,121,760.07/5,175.27
  6. Step 6: Final answer
    x = 3,888.06

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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.