Home / 4,815.50-6,645.21-2,691.02

Finding the Fourth Proportional to 4,815.50, 6,645.21 and 2,691.02

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Solution

The fourth proportional to 4,815.50, 6,645.21 and 2,691.02 is: 3,713.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.50 : 6,645.21 = 2,691.02 : x
  2. Step 2: Convert to fraction form
    4,815.50/6,645.21 = 2,691.02/x
  3. Step 3: Cross multiply
    4,815.50x = 6,645.21 × 2,691.02
  4. Step 4: Simplify right side
    4,815.50x = 17,882,422.24
  5. Step 5: Solve for x
    x = 17,882,422.24/4,815.50
  6. Step 6: Final answer
    x = 3,713.51

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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.