Home / 4,986.61-6,881.82-2,748.48

Finding the Fourth Proportional to 4,986.61, 6,881.82 and 2,748.48

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Solution

The fourth proportional to 4,986.61, 6,881.82 and 2,748.48 is: 3,793.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.61 : 6,881.82 = 2,748.48 : x
  2. Step 2: Convert to fraction form
    4,986.61/6,881.82 = 2,748.48/x
  3. Step 3: Cross multiply
    4,986.61x = 6,881.82 × 2,748.48
  4. Step 4: Simplify right side
    4,986.61x = 18,914,544.63
  5. Step 5: Solve for x
    x = 18,914,544.63/4,986.61
  6. Step 6: Final answer
    x = 3,793.07

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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.