Home / 7,613.71-11,418.13-2,418.37

Finding the Fourth Proportional to 7,613.71, 11,418.13 and 2,418.37

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Solution

The fourth proportional to 7,613.71, 11,418.13 and 2,418.37 is: 3,626.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.71 : 11,418.13 = 2,418.37 : x
  2. Step 2: Convert to fraction form
    7,613.71/11,418.13 = 2,418.37/x
  3. Step 3: Cross multiply
    7,613.71x = 11,418.13 × 2,418.37
  4. Step 4: Simplify right side
    7,613.71x = 27,613,301.75
  5. Step 5: Solve for x
    x = 27,613,301.75/7,613.71
  6. Step 6: Final answer
    x = 3,626.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.