Home / 8,129.14-11,218.26-4,403.14

Finding the Fourth Proportional to 8,129.14, 11,218.26 and 4,403.14

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Solution

The fourth proportional to 8,129.14, 11,218.26 and 4,403.14 is: 6,076.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129.14 : 11,218.26 = 4,403.14 : x
  2. Step 2: Convert to fraction form
    8,129.14/11,218.26 = 4,403.14/x
  3. Step 3: Cross multiply
    8,129.14x = 11,218.26 × 4,403.14
  4. Step 4: Simplify right side
    8,129.14x = 49,395,569.34
  5. Step 5: Solve for x
    x = 49,395,569.34/8,129.14
  6. Step 6: Final answer
    x = 6,076.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.