Home / 5,074.20-7,611.64-1,375.94

Finding the Fourth Proportional to 5,074.20, 7,611.64 and 1,375.94

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Solution

The fourth proportional to 5,074.20, 7,611.64 and 1,375.94 is: 2,064.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.20 : 7,611.64 = 1,375.94 : x
  2. Step 2: Convert to fraction form
    5,074.20/7,611.64 = 1,375.94/x
  3. Step 3: Cross multiply
    5,074.20x = 7,611.64 × 1,375.94
  4. Step 4: Simplify right side
    5,074.20x = 10,473,175.53
  5. Step 5: Solve for x
    x = 10,473,175.53/5,074.20
  6. Step 6: Final answer
    x = 2,064.01

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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.