Home / 5,528.47-7,629.39-3,170.62

Finding the Fourth Proportional to 5,528.47, 7,629.39 and 3,170.62

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Solution

The fourth proportional to 5,528.47, 7,629.39 and 3,170.62 is: 4,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.47 : 7,629.39 = 3,170.62 : x
  2. Step 2: Convert to fraction form
    5,528.47/7,629.39 = 3,170.62/x
  3. Step 3: Cross multiply
    5,528.47x = 7,629.39 × 3,170.62
  4. Step 4: Simplify right side
    5,528.47x = 24,189,896.52
  5. Step 5: Solve for x
    x = 24,189,896.52/5,528.47
  6. Step 6: Final answer
    x = 4,375.51

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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.