Home / 8,143.98-12,217.82-2,597.66

Finding the Fourth Proportional to 8,143.98, 12,217.82 and 2,597.66

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Solution

The fourth proportional to 8,143.98, 12,217.82 and 2,597.66 is: 3,897.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.98 : 12,217.82 = 2,597.66 : x
  2. Step 2: Convert to fraction form
    8,143.98/12,217.82 = 2,597.66/x
  3. Step 3: Cross multiply
    8,143.98x = 12,217.82 × 2,597.66
  4. Step 4: Simplify right side
    8,143.98x = 31,737,668.22
  5. Step 5: Solve for x
    x = 31,737,668.22/8,143.98
  6. Step 6: Final answer
    x = 3,897.07

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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.