Home / 8,212.57-12,319.46-2,369.63

Finding the Fourth Proportional to 8,212.57, 12,319.46 and 2,369.63

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Solution

The fourth proportional to 8,212.57, 12,319.46 and 2,369.63 is: 3,554.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.57 : 12,319.46 = 2,369.63 : x
  2. Step 2: Convert to fraction form
    8,212.57/12,319.46 = 2,369.63/x
  3. Step 3: Cross multiply
    8,212.57x = 12,319.46 × 2,369.63
  4. Step 4: Simplify right side
    8,212.57x = 29,192,562.00
  5. Step 5: Solve for x
    x = 29,192,562.00/8,212.57
  6. Step 6: Final answer
    x = 3,554.62

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1.5x scale

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.