Home / 4,540.39-6,811.27-1,618.47

Finding the Fourth Proportional to 4,540.39, 6,811.27 and 1,618.47

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Solution

The fourth proportional to 4,540.39, 6,811.27 and 1,618.47 is: 2,427.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,540.39 : 6,811.27 = 1,618.47 : x
  2. Step 2: Convert to fraction form
    4,540.39/6,811.27 = 1,618.47/x
  3. Step 3: Cross multiply
    4,540.39x = 6,811.27 × 1,618.47
  4. Step 4: Simplify right side
    4,540.39x = 11,023,836.16
  5. Step 5: Solve for x
    x = 11,023,836.16/4,540.39
  6. Step 6: Final answer
    x = 2,427.95

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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.