Home / 5,528.44-7,630.68-3,171.88

Finding the Fourth Proportional to 5,528.44, 7,630.68 and 3,171.88

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Solution

The fourth proportional to 5,528.44, 7,630.68 and 3,171.88 is: 4,378.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.44 : 7,630.68 = 3,171.88 : x
  2. Step 2: Convert to fraction form
    5,528.44/7,630.68 = 3,171.88/x
  3. Step 3: Cross multiply
    5,528.44x = 7,630.68 × 3,171.88
  4. Step 4: Simplify right side
    5,528.44x = 24,203,601.28
  5. Step 5: Solve for x
    x = 24,203,601.28/5,528.44
  6. Step 6: Final answer
    x = 4,378.02

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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.