Home / 6,819.42-10,216.10-5,715.90

Finding the Fourth Proportional to 6,819.42, 10,216.10 and 5,715.90

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Solution

The fourth proportional to 6,819.42, 10,216.10 and 5,715.90 is: 8,562.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.42 : 10,216.10 = 5,715.90 : x
  2. Step 2: Convert to fraction form
    6,819.42/10,216.10 = 5,715.90/x
  3. Step 3: Cross multiply
    6,819.42x = 10,216.10 × 5,715.90
  4. Step 4: Simplify right side
    6,819.42x = 58,394,205.99
  5. Step 5: Solve for x
    x = 58,394,205.99/6,819.42
  6. Step 6: Final answer
    x = 8,562.93

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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.