Home / 7,584.21-11,375.75-2,904.63

Finding the Fourth Proportional to 7,584.21, 11,375.75 and 2,904.63

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Solution

The fourth proportional to 7,584.21, 11,375.75 and 2,904.63 is: 4,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,584.21 : 11,375.75 = 2,904.63 : x
  2. Step 2: Convert to fraction form
    7,584.21/11,375.75 = 2,904.63/x
  3. Step 3: Cross multiply
    7,584.21x = 11,375.75 × 2,904.63
  4. Step 4: Simplify right side
    7,584.21x = 33,042,330.20
  5. Step 5: Solve for x
    x = 33,042,330.20/7,584.21
  6. Step 6: Final answer
    x = 4,356.73

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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.