Home / 4,986.89-6,881.60-2,748.65

Finding the Fourth Proportional to 4,986.89, 6,881.60 and 2,748.65

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Solution

The fourth proportional to 4,986.89, 6,881.60 and 2,748.65 is: 3,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.89 : 6,881.60 = 2,748.65 : x
  2. Step 2: Convert to fraction form
    4,986.89/6,881.60 = 2,748.65/x
  3. Step 3: Cross multiply
    4,986.89x = 6,881.60 × 2,748.65
  4. Step 4: Simplify right side
    4,986.89x = 18,915,082.30
  5. Step 5: Solve for x
    x = 18,915,082.30/4,986.89
  6. Step 6: Final answer
    x = 3,792.96

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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.