Home / 4,139.75-6,208.41-1,217.36

Finding the Fourth Proportional to 4,139.75, 6,208.41 and 1,217.36

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Solution

The fourth proportional to 4,139.75, 6,208.41 and 1,217.36 is: 1,825.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.75 : 6,208.41 = 1,217.36 : x
  2. Step 2: Convert to fraction form
    4,139.75/6,208.41 = 1,217.36/x
  3. Step 3: Cross multiply
    4,139.75x = 6,208.41 × 1,217.36
  4. Step 4: Simplify right side
    4,139.75x = 7,557,870.00
  5. Step 5: Solve for x
    x = 7,557,870.00/4,139.75
  6. Step 6: Final answer
    x = 1,825.68

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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.