Home / 3,753.39-5,142.09-3,613.20

Finding the Fourth Proportional to 3,753.39, 5,142.09 and 3,613.20

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Solution

The fourth proportional to 3,753.39, 5,142.09 and 3,613.20 is: 4,950.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.39 : 5,142.09 = 3,613.20 : x
  2. Step 2: Convert to fraction form
    3,753.39/5,142.09 = 3,613.20/x
  3. Step 3: Cross multiply
    3,753.39x = 5,142.09 × 3,613.20
  4. Step 4: Simplify right side
    3,753.39x = 18,579,399.59
  5. Step 5: Solve for x
    x = 18,579,399.59/3,753.39
  6. Step 6: Final answer
    x = 4,950.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.