Home / 4,091.85-5,642.29-2,763.25

Finding the Fourth Proportional to 4,091.85, 5,642.29 and 2,763.25

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Solution

The fourth proportional to 4,091.85, 5,642.29 and 2,763.25 is: 3,810.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.85 : 5,642.29 = 2,763.25 : x
  2. Step 2: Convert to fraction form
    4,091.85/5,642.29 = 2,763.25/x
  3. Step 3: Cross multiply
    4,091.85x = 5,642.29 × 2,763.25
  4. Step 4: Simplify right side
    4,091.85x = 15,591,065.17
  5. Step 5: Solve for x
    x = 15,591,065.17/4,091.85
  6. Step 6: Final answer
    x = 3,810.27

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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.