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Finding the Fourth Proportional to 6,613.75, 9,127.03 and 3,629.66

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Solution

The fourth proportional to 6,613.75, 9,127.03 and 3,629.66 is: 5,008.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.75 : 9,127.03 = 3,629.66 : x
  2. Step 2: Convert to fraction form
    6,613.75/9,127.03 = 3,629.66/x
  3. Step 3: Cross multiply
    6,613.75x = 9,127.03 × 3,629.66
  4. Step 4: Simplify right side
    6,613.75x = 33,128,019.15
  5. Step 5: Solve for x
    x = 33,128,019.15/6,613.75
  6. Step 6: Final answer
    x = 5,008.96

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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.