Home / 5,528.40-7,629.06-3,170.39

Finding the Fourth Proportional to 5,528.40, 7,629.06 and 3,170.39

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Solution

The fourth proportional to 5,528.40, 7,629.06 and 3,170.39 is: 4,375.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.40 : 7,629.06 = 3,170.39 : x
  2. Step 2: Convert to fraction form
    5,528.40/7,629.06 = 3,170.39/x
  3. Step 3: Cross multiply
    5,528.40x = 7,629.06 × 3,170.39
  4. Step 4: Simplify right side
    5,528.40x = 24,187,103.27
  5. Step 5: Solve for x
    x = 24,187,103.27/5,528.40
  6. Step 6: Final answer
    x = 4,375.06

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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.