Home / 7,755.28-11,633.16-2,561.56

Finding the Fourth Proportional to 7,755.28, 11,633.16 and 2,561.56

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Solution

The fourth proportional to 7,755.28, 11,633.16 and 2,561.56 is: 3,842.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.28 : 11,633.16 = 2,561.56 : x
  2. Step 2: Convert to fraction form
    7,755.28/11,633.16 = 2,561.56/x
  3. Step 3: Cross multiply
    7,755.28x = 11,633.16 × 2,561.56
  4. Step 4: Simplify right side
    7,755.28x = 29,799,037.33
  5. Step 5: Solve for x
    x = 29,799,037.33/7,755.28
  6. Step 6: Final answer
    x = 3,842.42

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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.