Home / 4,887.62-6,745-2,791.76

Finding the Fourth Proportional to 4,887.62, 6,745 and 2,791.76

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Solution

The fourth proportional to 4,887.62, 6,745 and 2,791.76 is: 3,852.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.62 : 6,745 = 2,791.76 : x
  2. Step 2: Convert to fraction form
    4,887.62/6,745 = 2,791.76/x
  3. Step 3: Cross multiply
    4,887.62x = 6,745 × 2,791.76
  4. Step 4: Simplify right side
    4,887.62x = 18,830,421.20
  5. Step 5: Solve for x
    x = 18,830,421.20/4,887.62
  6. Step 6: Final answer
    x = 3,852.68

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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.