Home / 6,074.78-8,383.07-3,422.15

Finding the Fourth Proportional to 6,074.78, 8,383.07 and 3,422.15

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Solution

The fourth proportional to 6,074.78, 8,383.07 and 3,422.15 is: 4,722.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,074.78 : 8,383.07 = 3,422.15 : x
  2. Step 2: Convert to fraction form
    6,074.78/8,383.07 = 3,422.15/x
  3. Step 3: Cross multiply
    6,074.78x = 8,383.07 × 3,422.15
  4. Step 4: Simplify right side
    6,074.78x = 28,688,063.97
  5. Step 5: Solve for x
    x = 28,688,063.97/6,074.78
  6. Step 6: Final answer
    x = 4,722.49

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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.