Home / 4,887.43-6,745.56-2,791.56

Finding the Fourth Proportional to 4,887.43, 6,745.56 and 2,791.56

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Solution

The fourth proportional to 4,887.43, 6,745.56 and 2,791.56 is: 3,852.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.43 : 6,745.56 = 2,791.56 : x
  2. Step 2: Convert to fraction form
    4,887.43/6,745.56 = 2,791.56/x
  3. Step 3: Cross multiply
    4,887.43x = 6,745.56 × 2,791.56
  4. Step 4: Simplify right side
    4,887.43x = 18,830,618.61
  5. Step 5: Solve for x
    x = 18,830,618.61/4,887.43
  6. Step 6: Final answer
    x = 3,852.87

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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.