Home / 8,310.91-12,462.72-3,113.14

Finding the Fourth Proportional to 8,310.91, 12,462.72 and 3,113.14

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Solution

The fourth proportional to 8,310.91, 12,462.72 and 3,113.14 is: 4,668.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.91 : 12,462.72 = 3,113.14 : x
  2. Step 2: Convert to fraction form
    8,310.91/12,462.72 = 3,113.14/x
  3. Step 3: Cross multiply
    8,310.91x = 12,462.72 × 3,113.14
  4. Step 4: Simplify right side
    8,310.91x = 38,798,192.14
  5. Step 5: Solve for x
    x = 38,798,192.14/8,310.91
  6. Step 6: Final answer
    x = 4,668.34

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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.