Home / 4,189.13-5,781.02-2,618.13

Finding the Fourth Proportional to 4,189.13, 5,781.02 and 2,618.13

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Solution

The fourth proportional to 4,189.13, 5,781.02 and 2,618.13 is: 3,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.13 : 5,781.02 = 2,618.13 : x
  2. Step 2: Convert to fraction form
    4,189.13/5,781.02 = 2,618.13/x
  3. Step 3: Cross multiply
    4,189.13x = 5,781.02 × 2,618.13
  4. Step 4: Simplify right side
    4,189.13x = 15,135,448.80
  5. Step 5: Solve for x
    x = 15,135,448.80/4,189.13
  6. Step 6: Final answer
    x = 3,613.03

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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.