Home / 4,080.25-5,632.47-2,755.75

Finding the Fourth Proportional to 4,080.25, 5,632.47 and 2,755.75

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Solution

The fourth proportional to 4,080.25, 5,632.47 and 2,755.75 is: 3,804.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.25 : 5,632.47 = 2,755.75 : x
  2. Step 2: Convert to fraction form
    4,080.25/5,632.47 = 2,755.75/x
  3. Step 3: Cross multiply
    4,080.25x = 5,632.47 × 2,755.75
  4. Step 4: Simplify right side
    4,080.25x = 15,521,648.89
  5. Step 5: Solve for x
    x = 15,521,648.89/4,080.25
  6. Step 6: Final answer
    x = 3,804.09

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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.