Home / 4,540.92-6,811.76-1,909.18

Finding the Fourth Proportional to 4,540.92, 6,811.76 and 1,909.18

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Solution

The fourth proportional to 4,540.92, 6,811.76 and 1,909.18 is: 2,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,540.92 : 6,811.76 = 1,909.18 : x
  2. Step 2: Convert to fraction form
    4,540.92/6,811.76 = 1,909.18/x
  3. Step 3: Cross multiply
    4,540.92x = 6,811.76 × 1,909.18
  4. Step 4: Simplify right side
    4,540.92x = 13,004,875.96
  5. Step 5: Solve for x
    x = 13,004,875.96/4,540.92
  6. Step 6: Final answer
    x = 2,863.93

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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.