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Finding the Fourth Proportional to 4,496.88, 6,742.88 and 2,419.36

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Solution

The fourth proportional to 4,496.88, 6,742.88 and 2,419.36 is: 3,627.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,496.88 : 6,742.88 = 2,419.36 : x
  2. Step 2: Convert to fraction form
    4,496.88/6,742.88 = 2,419.36/x
  3. Step 3: Cross multiply
    4,496.88x = 6,742.88 × 2,419.36
  4. Step 4: Simplify right side
    4,496.88x = 16,313,454.16
  5. Step 5: Solve for x
    x = 16,313,454.16/4,496.88
  6. Step 6: Final answer
    x = 3,627.73

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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.