Home / 7,371.06-10,175.99-5,919.64

Finding the Fourth Proportional to 7,371.06, 10,175.99 and 5,919.64

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Solution

The fourth proportional to 7,371.06, 10,175.99 and 5,919.64 is: 8,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.06 : 10,175.99 = 5,919.64 : x
  2. Step 2: Convert to fraction form
    7,371.06/10,175.99 = 5,919.64/x
  3. Step 3: Cross multiply
    7,371.06x = 10,175.99 × 5,919.64
  4. Step 4: Simplify right side
    7,371.06x = 60,238,197.44
  5. Step 5: Solve for x
    x = 60,238,197.44/7,371.06
  6. Step 6: Final answer
    x = 8,172.26

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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.