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Finding the Fourth Proportional to 4,443, 6,131.05 and 2,453.55

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Solution

The fourth proportional to 4,443, 6,131.05 and 2,453.55 is: 3,385.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,443 : 6,131.05 = 2,453.55 : x
  2. Step 2: Convert to fraction form
    4,443/6,131.05 = 2,453.55/x
  3. Step 3: Cross multiply
    4,443x = 6,131.05 × 2,453.55
  4. Step 4: Simplify right side
    4,443x = 15,042,837.73
  5. Step 5: Solve for x
    x = 15,042,837.73/4,443
  6. Step 6: Final answer
    x = 3,385.74

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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.