Home / 8,365.42-12,549.48-2,819.26

Finding the Fourth Proportional to 8,365.42, 12,549.48 and 2,819.26

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Solution

The fourth proportional to 8,365.42, 12,549.48 and 2,819.26 is: 4,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.42 : 12,549.48 = 2,819.26 : x
  2. Step 2: Convert to fraction form
    8,365.42/12,549.48 = 2,819.26/x
  3. Step 3: Cross multiply
    8,365.42x = 12,549.48 × 2,819.26
  4. Step 4: Simplify right side
    8,365.42x = 35,380,246.98
  5. Step 5: Solve for x
    x = 35,380,246.98/8,365.42
  6. Step 6: Final answer
    x = 4,229.34

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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.