Home / 5,170.50-7,748.82-2,827.02

Finding the Fourth Proportional to 5,170.50, 7,748.82 and 2,827.02

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Solution

The fourth proportional to 5,170.50, 7,748.82 and 2,827.02 is: 4,236.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.50 : 7,748.82 = 2,827.02 : x
  2. Step 2: Convert to fraction form
    5,170.50/7,748.82 = 2,827.02/x
  3. Step 3: Cross multiply
    5,170.50x = 7,748.82 × 2,827.02
  4. Step 4: Simplify right side
    5,170.50x = 21,906,069.12
  5. Step 5: Solve for x
    x = 21,906,069.12/5,170.50
  6. Step 6: Final answer
    x = 4,236.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.