Home / 7,755.52-11,632.04-2,131.88

Finding the Fourth Proportional to 7,755.52, 11,632.04 and 2,131.88

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Solution

The fourth proportional to 7,755.52, 11,632.04 and 2,131.88 is: 3,197.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.52 : 11,632.04 = 2,131.88 : x
  2. Step 2: Convert to fraction form
    7,755.52/11,632.04 = 2,131.88/x
  3. Step 3: Cross multiply
    7,755.52x = 11,632.04 × 2,131.88
  4. Step 4: Simplify right side
    7,755.52x = 24,798,113.44
  5. Step 5: Solve for x
    x = 24,798,113.44/7,755.52
  6. Step 6: Final answer
    x = 3,197.48

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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.