Home / 4,986.58-6,881.78-2,748.94

Finding the Fourth Proportional to 4,986.58, 6,881.78 and 2,748.94

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Solution

The fourth proportional to 4,986.58, 6,881.78 and 2,748.94 is: 3,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.58 : 6,881.78 = 2,748.94 : x
  2. Step 2: Convert to fraction form
    4,986.58/6,881.78 = 2,748.94/x
  3. Step 3: Cross multiply
    4,986.58x = 6,881.78 × 2,748.94
  4. Step 4: Simplify right side
    4,986.58x = 18,917,600.31
  5. Step 5: Solve for x
    x = 18,917,600.31/4,986.58
  6. Step 6: Final answer
    x = 3,793.70

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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.