Home / 8,418.14-12,628.62-2,573.38

Finding the Fourth Proportional to 8,418.14, 12,628.62 and 2,573.38

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Solution

The fourth proportional to 8,418.14, 12,628.62 and 2,573.38 is: 3,860.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.14 : 12,628.62 = 2,573.38 : x
  2. Step 2: Convert to fraction form
    8,418.14/12,628.62 = 2,573.38/x
  3. Step 3: Cross multiply
    8,418.14x = 12,628.62 × 2,573.38
  4. Step 4: Simplify right side
    8,418.14x = 32,498,162.13
  5. Step 5: Solve for x
    x = 32,498,162.13/8,418.14
  6. Step 6: Final answer
    x = 3,860.49

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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.