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Finding the Fourth Proportional to 4,983.62, 6,877.47 and 2,745.47

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Solution

The fourth proportional to 4,983.62, 6,877.47 and 2,745.47 is: 3,788.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.62 : 6,877.47 = 2,745.47 : x
  2. Step 2: Convert to fraction form
    4,983.62/6,877.47 = 2,745.47/x
  3. Step 3: Cross multiply
    4,983.62x = 6,877.47 × 2,745.47
  4. Step 4: Simplify right side
    4,983.62x = 18,881,887.56
  5. Step 5: Solve for x
    x = 18,881,887.56/4,983.62
  6. Step 6: Final answer
    x = 3,788.79

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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.