Home / 4,142.73-5,718.48-2,745.93

Finding the Fourth Proportional to 4,142.73, 5,718.48 and 2,745.93

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Solution

The fourth proportional to 4,142.73, 5,718.48 and 2,745.93 is: 3,790.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.73 : 5,718.48 = 2,745.93 : x
  2. Step 2: Convert to fraction form
    4,142.73/5,718.48 = 2,745.93/x
  3. Step 3: Cross multiply
    4,142.73x = 5,718.48 × 2,745.93
  4. Step 4: Simplify right side
    4,142.73x = 15,702,545.79
  5. Step 5: Solve for x
    x = 15,702,545.79/4,142.73
  6. Step 6: Final answer
    x = 3,790.39

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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.