Home / 5,119.42-7,694.29-4,247.58

Finding the Fourth Proportional to 5,119.42, 7,694.29 and 4,247.58

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Solution

The fourth proportional to 5,119.42, 7,694.29 and 4,247.58 is: 6,383.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.42 : 7,694.29 = 4,247.58 : x
  2. Step 2: Convert to fraction form
    5,119.42/7,694.29 = 4,247.58/x
  3. Step 3: Cross multiply
    5,119.42x = 7,694.29 × 4,247.58
  4. Step 4: Simplify right side
    5,119.42x = 32,682,112.32
  5. Step 5: Solve for x
    x = 32,682,112.32/5,119.42
  6. Step 6: Final answer
    x = 6,383.95

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1.5x scale

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.