Home / 7,512.72-11,261.16-3,608.88

Finding the Fourth Proportional to 7,512.72, 11,261.16 and 3,608.88

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Solution

The fourth proportional to 7,512.72, 11,261.16 and 3,608.88 is: 5,409.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.72 : 11,261.16 = 3,608.88 : x
  2. Step 2: Convert to fraction form
    7,512.72/11,261.16 = 3,608.88/x
  3. Step 3: Cross multiply
    7,512.72x = 11,261.16 × 3,608.88
  4. Step 4: Simplify right side
    7,512.72x = 40,640,175.10
  5. Step 5: Solve for x
    x = 40,640,175.10/7,512.72
  6. Step 6: Final answer
    x = 5,409.52

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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.