Home / 4,489.47-6,733.35-2,638.43

Finding the Fourth Proportional to 4,489.47, 6,733.35 and 2,638.43

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Solution

The fourth proportional to 4,489.47, 6,733.35 and 2,638.43 is: 3,957.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.47 : 6,733.35 = 2,638.43 : x
  2. Step 2: Convert to fraction form
    4,489.47/6,733.35 = 2,638.43/x
  3. Step 3: Cross multiply
    4,489.47x = 6,733.35 × 2,638.43
  4. Step 4: Simplify right side
    4,489.47x = 17,765,425.78
  5. Step 5: Solve for x
    x = 17,765,425.78/4,489.47
  6. Step 6: Final answer
    x = 3,957.13

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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.