Home / 5,405.83-8,110.01-2,286.11

Finding the Fourth Proportional to 5,405.83, 8,110.01 and 2,286.11

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Solution

The fourth proportional to 5,405.83, 8,110.01 and 2,286.11 is: 3,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.83 : 8,110.01 = 2,286.11 : x
  2. Step 2: Convert to fraction form
    5,405.83/8,110.01 = 2,286.11/x
  3. Step 3: Cross multiply
    5,405.83x = 8,110.01 × 2,286.11
  4. Step 4: Simplify right side
    5,405.83x = 18,540,374.96
  5. Step 5: Solve for x
    x = 18,540,374.96/5,405.83
  6. Step 6: Final answer
    x = 3,429.70

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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.