Home / 3,816.37-5,263.90-3,247.75

Finding the Fourth Proportional to 3,816.37, 5,263.90 and 3,247.75

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Solution

The fourth proportional to 3,816.37, 5,263.90 and 3,247.75 is: 4,479.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.37 : 5,263.90 = 3,247.75 : x
  2. Step 2: Convert to fraction form
    3,816.37/5,263.90 = 3,247.75/x
  3. Step 3: Cross multiply
    3,816.37x = 5,263.90 × 3,247.75
  4. Step 4: Simplify right side
    3,816.37x = 17,095,847.95
  5. Step 5: Solve for x
    x = 17,095,847.95/3,816.37
  6. Step 6: Final answer
    x = 4,479.61

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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.