Home / 6,613.21-9,126.42-3,629.35

Finding the Fourth Proportional to 6,613.21, 9,126.42 and 3,629.35

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Solution

The fourth proportional to 6,613.21, 9,126.42 and 3,629.35 is: 5,008.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.21 : 9,126.42 = 3,629.35 : x
  2. Step 2: Convert to fraction form
    6,613.21/9,126.42 = 3,629.35/x
  3. Step 3: Cross multiply
    6,613.21x = 9,126.42 × 3,629.35
  4. Step 4: Simplify right side
    6,613.21x = 33,122,972.43
  5. Step 5: Solve for x
    x = 33,122,972.43/6,613.21
  6. Step 6: Final answer
    x = 5,008.61

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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.