Home / 4,095.85-5,647.81-2,767.25

Finding the Fourth Proportional to 4,095.85, 5,647.81 and 2,767.25

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Solution

The fourth proportional to 4,095.85, 5,647.81 and 2,767.25 is: 3,815.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,095.85 : 5,647.81 = 2,767.25 : x
  2. Step 2: Convert to fraction form
    4,095.85/5,647.81 = 2,767.25/x
  3. Step 3: Cross multiply
    4,095.85x = 5,647.81 × 2,767.25
  4. Step 4: Simplify right side
    4,095.85x = 15,628,902.22
  5. Step 5: Solve for x
    x = 15,628,902.22/4,095.85
  6. Step 6: Final answer
    x = 3,815.79

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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.