Home / 8,438.43-12,655.44-2,513.73

Finding the Fourth Proportional to 8,438.43, 12,655.44 and 2,513.73

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Solution

The fourth proportional to 8,438.43, 12,655.44 and 2,513.73 is: 3,769.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438.43 : 12,655.44 = 2,513.73 : x
  2. Step 2: Convert to fraction form
    8,438.43/12,655.44 = 2,513.73/x
  3. Step 3: Cross multiply
    8,438.43x = 12,655.44 × 2,513.73
  4. Step 4: Simplify right side
    8,438.43x = 31,812,406.65
  5. Step 5: Solve for x
    x = 31,812,406.65/8,438.43
  6. Step 6: Final answer
    x = 3,769.94

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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.