Home / 4,887.12-6,745.13-2,791.25

Finding the Fourth Proportional to 4,887.12, 6,745.13 and 2,791.25

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Solution

The fourth proportional to 4,887.12, 6,745.13 and 2,791.25 is: 3,852.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.12 : 6,745.13 = 2,791.25 : x
  2. Step 2: Convert to fraction form
    4,887.12/6,745.13 = 2,791.25/x
  3. Step 3: Cross multiply
    4,887.12x = 6,745.13 × 2,791.25
  4. Step 4: Simplify right side
    4,887.12x = 18,827,306.90
  5. Step 5: Solve for x
    x = 18,827,306.90/4,887.12
  6. Step 6: Final answer
    x = 3,852.43

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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.