Home / 5,528.79-7,629.66-3,170.88

Finding the Fourth Proportional to 5,528.79, 7,629.66 and 3,170.88

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Solution

The fourth proportional to 5,528.79, 7,629.66 and 3,170.88 is: 4,375.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.79 : 7,629.66 = 3,170.88 : x
  2. Step 2: Convert to fraction form
    5,528.79/7,629.66 = 3,170.88/x
  3. Step 3: Cross multiply
    5,528.79x = 7,629.66 × 3,170.88
  4. Step 4: Simplify right side
    5,528.79x = 24,192,736.30
  5. Step 5: Solve for x
    x = 24,192,736.30/5,528.79
  6. Step 6: Final answer
    x = 4,375.77

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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.