Home / 5,345.26-7,375.92-3,668.12

Finding the Fourth Proportional to 5,345.26, 7,375.92 and 3,668.12

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Solution

The fourth proportional to 5,345.26, 7,375.92 and 3,668.12 is: 5,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.26 : 7,375.92 = 3,668.12 : x
  2. Step 2: Convert to fraction form
    5,345.26/7,375.92 = 3,668.12/x
  3. Step 3: Cross multiply
    5,345.26x = 7,375.92 × 3,668.12
  4. Step 4: Simplify right side
    5,345.26x = 27,055,759.67
  5. Step 5: Solve for x
    x = 27,055,759.67/5,345.26
  6. Step 6: Final answer
    x = 5,061.64

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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.