Home / 4,986.63-6,881.18-2,748.38

Finding the Fourth Proportional to 4,986.63, 6,881.18 and 2,748.38

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Solution

The fourth proportional to 4,986.63, 6,881.18 and 2,748.38 is: 3,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.63 : 6,881.18 = 2,748.38 : x
  2. Step 2: Convert to fraction form
    4,986.63/6,881.18 = 2,748.38/x
  3. Step 3: Cross multiply
    4,986.63x = 6,881.18 × 2,748.38
  4. Step 4: Simplify right side
    4,986.63x = 18,912,049.34
  5. Step 5: Solve for x
    x = 18,912,049.34/4,986.63
  6. Step 6: Final answer
    x = 3,792.55

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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.