Home / 8,819.75-13,241.36-5,124.63

Finding the Fourth Proportional to 8,819.75, 13,241.36 and 5,124.63

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Solution

The fourth proportional to 8,819.75, 13,241.36 and 5,124.63 is: 7,693.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.75 : 13,241.36 = 5,124.63 : x
  2. Step 2: Convert to fraction form
    8,819.75/13,241.36 = 5,124.63/x
  3. Step 3: Cross multiply
    8,819.75x = 13,241.36 × 5,124.63
  4. Step 4: Simplify right side
    8,819.75x = 67,857,104.34
  5. Step 5: Solve for x
    x = 67,857,104.34/8,819.75
  6. Step 6: Final answer
    x = 7,693.77

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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.