Home / 5,234.28-7,852.86-2,112.36

Finding the Fourth Proportional to 5,234.28, 7,852.86 and 2,112.36

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Solution

The fourth proportional to 5,234.28, 7,852.86 and 2,112.36 is: 3,169.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.28 : 7,852.86 = 2,112.36 : x
  2. Step 2: Convert to fraction form
    5,234.28/7,852.86 = 2,112.36/x
  3. Step 3: Cross multiply
    5,234.28x = 7,852.86 × 2,112.36
  4. Step 4: Simplify right side
    5,234.28x = 16,588,067.35
  5. Step 5: Solve for x
    x = 16,588,067.35/5,234.28
  6. Step 6: Final answer
    x = 3,169.12

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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.