Home / 4,811.64-7,218.48-2,732.64

Finding the Fourth Proportional to 4,811.64, 7,218.48 and 2,732.64

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Solution

The fourth proportional to 4,811.64, 7,218.48 and 2,732.64 is: 4,099.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.64 : 7,218.48 = 2,732.64 : x
  2. Step 2: Convert to fraction form
    4,811.64/7,218.48 = 2,732.64/x
  3. Step 3: Cross multiply
    4,811.64x = 7,218.48 × 2,732.64
  4. Step 4: Simplify right side
    4,811.64x = 19,725,507.19
  5. Step 5: Solve for x
    x = 19,725,507.19/4,811.64
  6. Step 6: Final answer
    x = 4,099.54

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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.