Home / 4,540.43-6,811.55-1,618.35

Finding the Fourth Proportional to 4,540.43, 6,811.55 and 1,618.35

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Solution

The fourth proportional to 4,540.43, 6,811.55 and 1,618.35 is: 2,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,540.43 : 6,811.55 = 1,618.35 : x
  2. Step 2: Convert to fraction form
    4,540.43/6,811.55 = 1,618.35/x
  3. Step 3: Cross multiply
    4,540.43x = 6,811.55 × 1,618.35
  4. Step 4: Simplify right side
    4,540.43x = 11,023,463.85
  5. Step 5: Solve for x
    x = 11,023,463.85/4,540.43
  6. Step 6: Final answer
    x = 2,427.85

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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.