Home / 7,716.46-11,575.28-2,170.26

Finding the Fourth Proportional to 7,716.46, 11,575.28 and 2,170.26

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Solution

The fourth proportional to 7,716.46, 11,575.28 and 2,170.26 is: 3,255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.46 : 11,575.28 = 2,170.26 : x
  2. Step 2: Convert to fraction form
    7,716.46/11,575.28 = 2,170.26/x
  3. Step 3: Cross multiply
    7,716.46x = 11,575.28 × 2,170.26
  4. Step 4: Simplify right side
    7,716.46x = 25,121,367.17
  5. Step 5: Solve for x
    x = 25,121,367.17/7,716.46
  6. Step 6: Final answer
    x = 3,255.56

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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.