Home / 8,826.30-13,241.70-4,145.43

Finding the Fourth Proportional to 8,826.30, 13,241.70 and 4,145.43

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Solution

The fourth proportional to 8,826.30, 13,241.70 and 4,145.43 is: 6,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.30 : 13,241.70 = 4,145.43 : x
  2. Step 2: Convert to fraction form
    8,826.30/13,241.70 = 4,145.43/x
  3. Step 3: Cross multiply
    8,826.30x = 13,241.70 × 4,145.43
  4. Step 4: Simplify right side
    8,826.30x = 54,892,540.43
  5. Step 5: Solve for x
    x = 54,892,540.43/8,826.30
  6. Step 6: Final answer
    x = 6,219.20

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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.