Home / 8,418.13-12,627.20-2,262.13

Finding the Fourth Proportional to 8,418.13, 12,627.20 and 2,262.13

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Solution

The fourth proportional to 8,418.13, 12,627.20 and 2,262.13 is: 3,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.13 : 12,627.20 = 2,262.13 : x
  2. Step 2: Convert to fraction form
    8,418.13/12,627.20 = 2,262.13/x
  3. Step 3: Cross multiply
    8,418.13x = 12,627.20 × 2,262.13
  4. Step 4: Simplify right side
    8,418.13x = 28,564,367.94
  5. Step 5: Solve for x
    x = 28,564,367.94/8,418.13
  6. Step 6: Final answer
    x = 3,393.20

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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.