Home / 8,118.09-11,202.44-4,580.82

Finding the Fourth Proportional to 8,118.09, 11,202.44 and 4,580.82

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Solution

The fourth proportional to 8,118.09, 11,202.44 and 4,580.82 is: 6,321.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.09 : 11,202.44 = 4,580.82 : x
  2. Step 2: Convert to fraction form
    8,118.09/11,202.44 = 4,580.82/x
  3. Step 3: Cross multiply
    8,118.09x = 11,202.44 × 4,580.82
  4. Step 4: Simplify right side
    8,118.09x = 51,316,338.30
  5. Step 5: Solve for x
    x = 51,316,338.30/8,118.09
  6. Step 6: Final answer
    x = 6,321.23

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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.