Home / 5,175.90-7,763.86-2,711.44

Finding the Fourth Proportional to 5,175.90, 7,763.86 and 2,711.44

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Solution

The fourth proportional to 5,175.90, 7,763.86 and 2,711.44 is: 4,067.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.90 : 7,763.86 = 2,711.44 : x
  2. Step 2: Convert to fraction form
    5,175.90/7,763.86 = 2,711.44/x
  3. Step 3: Cross multiply
    5,175.90x = 7,763.86 × 2,711.44
  4. Step 4: Simplify right side
    5,175.90x = 21,051,240.56
  5. Step 5: Solve for x
    x = 21,051,240.56/5,175.90
  6. Step 6: Final answer
    x = 4,067.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.