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Finding the Fourth Proportional to 7,988.88, 11,024.74 and 4,452.44

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Solution

The fourth proportional to 7,988.88, 11,024.74 and 4,452.44 is: 6,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.88 : 11,024.74 = 4,452.44 : x
  2. Step 2: Convert to fraction form
    7,988.88/11,024.74 = 4,452.44/x
  3. Step 3: Cross multiply
    7,988.88x = 11,024.74 × 4,452.44
  4. Step 4: Simplify right side
    7,988.88x = 49,086,993.37
  5. Step 5: Solve for x
    x = 49,086,993.37/7,988.88
  6. Step 6: Final answer
    x = 6,144.41

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.