Home / 4,986.83-6,881.54-2,748.70

Finding the Fourth Proportional to 4,986.83, 6,881.54 and 2,748.70

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Solution

The fourth proportional to 4,986.83, 6,881.54 and 2,748.70 is: 3,793.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.83 : 6,881.54 = 2,748.70 : x
  2. Step 2: Convert to fraction form
    4,986.83/6,881.54 = 2,748.70/x
  3. Step 3: Cross multiply
    4,986.83x = 6,881.54 × 2,748.70
  4. Step 4: Simplify right side
    4,986.83x = 18,915,278.67
  5. Step 5: Solve for x
    x = 18,915,278.67/4,986.83
  6. Step 6: Final answer
    x = 3,793.05

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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.