Home / 4,986.64-6,881.67-2,748.61

Finding the Fourth Proportional to 4,986.64, 6,881.67 and 2,748.61

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Solution

The fourth proportional to 4,986.64, 6,881.67 and 2,748.61 is: 3,793.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.64 : 6,881.67 = 2,748.61 : x
  2. Step 2: Convert to fraction form
    4,986.64/6,881.67 = 2,748.61/x
  3. Step 3: Cross multiply
    4,986.64x = 6,881.67 × 2,748.61
  4. Step 4: Simplify right side
    4,986.64x = 18,915,026.98
  5. Step 5: Solve for x
    x = 18,915,026.98/4,986.64
  6. Step 6: Final answer
    x = 3,793.14

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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.