Home / 4,145.77-6,220.74-2,585.38

Finding the Fourth Proportional to 4,145.77, 6,220.74 and 2,585.38

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Solution

The fourth proportional to 4,145.77, 6,220.74 and 2,585.38 is: 3,879.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.77 : 6,220.74 = 2,585.38 : x
  2. Step 2: Convert to fraction form
    4,145.77/6,220.74 = 2,585.38/x
  3. Step 3: Cross multiply
    4,145.77x = 6,220.74 × 2,585.38
  4. Step 4: Simplify right side
    4,145.77x = 16,082,976.78
  5. Step 5: Solve for x
    x = 16,082,976.78/4,145.77
  6. Step 6: Final answer
    x = 3,879.37

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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.