Home / 4,986.70-6,881.55-2,748.52

Finding the Fourth Proportional to 4,986.70, 6,881.55 and 2,748.52

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Solution

The fourth proportional to 4,986.70, 6,881.55 and 2,748.52 is: 3,792.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.70 : 6,881.55 = 2,748.52 : x
  2. Step 2: Convert to fraction form
    4,986.70/6,881.55 = 2,748.52/x
  3. Step 3: Cross multiply
    4,986.70x = 6,881.55 × 2,748.52
  4. Step 4: Simplify right side
    4,986.70x = 18,914,077.81
  5. Step 5: Solve for x
    x = 18,914,077.81/4,986.70
  6. Step 6: Final answer
    x = 3,792.90

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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.