Home / 4,138.89-6,208.44-1,217.30

Finding the Fourth Proportional to 4,138.89, 6,208.44 and 1,217.30

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Solution

The fourth proportional to 4,138.89, 6,208.44 and 1,217.30 is: 1,825.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.89 : 6,208.44 = 1,217.30 : x
  2. Step 2: Convert to fraction form
    4,138.89/6,208.44 = 1,217.30/x
  3. Step 3: Cross multiply
    4,138.89x = 6,208.44 × 1,217.30
  4. Step 4: Simplify right side
    4,138.89x = 7,557,502.97
  5. Step 5: Solve for x
    x = 7,557,502.97/4,138.89
  6. Step 6: Final answer
    x = 1,825.97

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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.