Home / 6,231.33-8,599.57-3,578.78

Finding the Fourth Proportional to 6,231.33, 8,599.57 and 3,578.78

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Solution

The fourth proportional to 6,231.33, 8,599.57 and 3,578.78 is: 4,938.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.33 : 8,599.57 = 3,578.78 : x
  2. Step 2: Convert to fraction form
    6,231.33/8,599.57 = 3,578.78/x
  3. Step 3: Cross multiply
    6,231.33x = 8,599.57 × 3,578.78
  4. Step 4: Simplify right side
    6,231.33x = 30,775,981.68
  5. Step 5: Solve for x
    x = 30,775,981.68/6,231.33
  6. Step 6: Final answer
    x = 4,938.91

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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.