Home / 7,716.73-11,575.55-2,170.51

Finding the Fourth Proportional to 7,716.73, 11,575.55 and 2,170.51

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Solution

The fourth proportional to 7,716.73, 11,575.55 and 2,170.51 is: 3,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.73 : 11,575.55 = 2,170.51 : x
  2. Step 2: Convert to fraction form
    7,716.73/11,575.55 = 2,170.51/x
  3. Step 3: Cross multiply
    7,716.73x = 11,575.55 × 2,170.51
  4. Step 4: Simplify right side
    7,716.73x = 25,124,847.03
  5. Step 5: Solve for x
    x = 25,124,847.03/7,716.73
  6. Step 6: Final answer
    x = 3,255.89

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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.