Home / 4,138.35-6,208.13-1,216.27

Finding the Fourth Proportional to 4,138.35, 6,208.13 and 1,216.27

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Solution

The fourth proportional to 4,138.35, 6,208.13 and 1,216.27 is: 1,824.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.35 : 6,208.13 = 1,216.27 : x
  2. Step 2: Convert to fraction form
    4,138.35/6,208.13 = 1,216.27/x
  3. Step 3: Cross multiply
    4,138.35x = 6,208.13 × 1,216.27
  4. Step 4: Simplify right side
    4,138.35x = 7,550,762.28
  5. Step 5: Solve for x
    x = 7,550,762.28/4,138.35
  6. Step 6: Final answer
    x = 1,824.58

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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.