Home / 6,553.12-9,819.44-4,116

Finding the Fourth Proportional to 6,553.12, 9,819.44 and 4,116

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Solution

The fourth proportional to 6,553.12, 9,819.44 and 4,116 is: 6,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,553.12 : 9,819.44 = 4,116 : x
  2. Step 2: Convert to fraction form
    6,553.12/9,819.44 = 4,116/x
  3. Step 3: Cross multiply
    6,553.12x = 9,819.44 × 4,116
  4. Step 4: Simplify right side
    6,553.12x = 40,416,815.04
  5. Step 5: Solve for x
    x = 40,416,815.04/6,553.12
  6. Step 6: Final answer
    x = 6,167.57

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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.