Home / 5,517.77-8,260.24-3,319.84

Finding the Fourth Proportional to 5,517.77, 8,260.24 and 3,319.84

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Solution

The fourth proportional to 5,517.77, 8,260.24 and 3,319.84 is: 4,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.77 : 8,260.24 = 3,319.84 : x
  2. Step 2: Convert to fraction form
    5,517.77/8,260.24 = 3,319.84/x
  3. Step 3: Cross multiply
    5,517.77x = 8,260.24 × 3,319.84
  4. Step 4: Simplify right side
    5,517.77x = 27,422,675.16
  5. Step 5: Solve for x
    x = 27,422,675.16/5,517.77
  6. Step 6: Final answer
    x = 4,969.88

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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.