Home / 4,986.56-6,881.14-2,748.45

Finding the Fourth Proportional to 4,986.56, 6,881.14 and 2,748.45

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Solution

The fourth proportional to 4,986.56, 6,881.14 and 2,748.45 is: 3,792.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.56 : 6,881.14 = 2,748.45 : x
  2. Step 2: Convert to fraction form
    4,986.56/6,881.14 = 2,748.45/x
  3. Step 3: Cross multiply
    4,986.56x = 6,881.14 × 2,748.45
  4. Step 4: Simplify right side
    4,986.56x = 18,912,480.42
  5. Step 5: Solve for x
    x = 18,912,480.42/4,986.56
  6. Step 6: Final answer
    x = 3,792.69

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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.