Home / 7,986.26-11,979.43-3,598.63

Finding the Fourth Proportional to 7,986.26, 11,979.43 and 3,598.63

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Solution

The fourth proportional to 7,986.26, 11,979.43 and 3,598.63 is: 5,397.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.26 : 11,979.43 = 3,598.63 : x
  2. Step 2: Convert to fraction form
    7,986.26/11,979.43 = 3,598.63/x
  3. Step 3: Cross multiply
    7,986.26x = 11,979.43 × 3,598.63
  4. Step 4: Simplify right side
    7,986.26x = 43,109,497.24
  5. Step 5: Solve for x
    x = 43,109,497.24/7,986.26
  6. Step 6: Final answer
    x = 5,397.96

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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.