Home / 5,528.59-7,629.37-3,170.59

Finding the Fourth Proportional to 5,528.59, 7,629.37 and 3,170.59

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Solution

The fourth proportional to 5,528.59, 7,629.37 and 3,170.59 is: 4,375.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.59 : 7,629.37 = 3,170.59 : x
  2. Step 2: Convert to fraction form
    5,528.59/7,629.37 = 3,170.59/x
  3. Step 3: Cross multiply
    5,528.59x = 7,629.37 × 3,170.59
  4. Step 4: Simplify right side
    5,528.59x = 24,189,604.23
  5. Step 5: Solve for x
    x = 24,189,604.23/5,528.59
  6. Step 6: Final answer
    x = 4,375.37

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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.