Home / 4,107.07-6,160.72-1,185.38

Finding the Fourth Proportional to 4,107.07, 6,160.72 and 1,185.38

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Solution

The fourth proportional to 4,107.07, 6,160.72 and 1,185.38 is: 1,778.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.07 : 6,160.72 = 1,185.38 : x
  2. Step 2: Convert to fraction form
    4,107.07/6,160.72 = 1,185.38/x
  3. Step 3: Cross multiply
    4,107.07x = 6,160.72 × 1,185.38
  4. Step 4: Simplify right side
    4,107.07x = 7,302,762.73
  5. Step 5: Solve for x
    x = 7,302,762.73/4,107.07
  6. Step 6: Final answer
    x = 1,778.09

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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.