Home / 6,231.78-8,598.69-3,839.45

Finding the Fourth Proportional to 6,231.78, 8,598.69 and 3,839.45

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Solution

The fourth proportional to 6,231.78, 8,598.69 and 3,839.45 is: 5,297.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.78 : 8,598.69 = 3,839.45 : x
  2. Step 2: Convert to fraction form
    6,231.78/8,598.69 = 3,839.45/x
  3. Step 3: Cross multiply
    6,231.78x = 8,598.69 × 3,839.45
  4. Step 4: Simplify right side
    6,231.78x = 33,014,197.33
  5. Step 5: Solve for x
    x = 33,014,197.33/6,231.78
  6. Step 6: Final answer
    x = 5,297.72

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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.