Home / 6,622.25-9,135.25-4,103.55

Finding the Fourth Proportional to 6,622.25, 9,135.25 and 4,103.55

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Solution

The fourth proportional to 6,622.25, 9,135.25 and 4,103.55 is: 5,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.25 : 9,135.25 = 4,103.55 : x
  2. Step 2: Convert to fraction form
    6,622.25/9,135.25 = 4,103.55/x
  3. Step 3: Cross multiply
    6,622.25x = 9,135.25 × 4,103.55
  4. Step 4: Simplify right side
    6,622.25x = 37,486,944.88
  5. Step 5: Solve for x
    x = 37,486,944.88/6,622.25
  6. Step 6: Final answer
    x = 5,660.76

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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.