Home / 5,517.28-8,264.72-2,735.60

Finding the Fourth Proportional to 5,517.28, 8,264.72 and 2,735.60

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Solution

The fourth proportional to 5,517.28, 8,264.72 and 2,735.60 is: 4,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.28 : 8,264.72 = 2,735.60 : x
  2. Step 2: Convert to fraction form
    5,517.28/8,264.72 = 2,735.60/x
  3. Step 3: Cross multiply
    5,517.28x = 8,264.72 × 2,735.60
  4. Step 4: Simplify right side
    5,517.28x = 22,608,968.03
  5. Step 5: Solve for x
    x = 22,608,968.03/5,517.28
  6. Step 6: Final answer
    x = 4,097.85

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1.5x scale

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.