Home / 8,933.21-13,400.37-3,009.61

Finding the Fourth Proportional to 8,933.21, 13,400.37 and 3,009.61

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Solution

The fourth proportional to 8,933.21, 13,400.37 and 3,009.61 is: 4,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.21 : 13,400.37 = 3,009.61 : x
  2. Step 2: Convert to fraction form
    8,933.21/13,400.37 = 3,009.61/x
  3. Step 3: Cross multiply
    8,933.21x = 13,400.37 × 3,009.61
  4. Step 4: Simplify right side
    8,933.21x = 40,329,841.63
  5. Step 5: Solve for x
    x = 40,329,841.63/8,933.21
  6. Step 6: Final answer
    x = 4,514.60

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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.