Home / 8,104.36-11,187.06-5,310.04

Finding the Fourth Proportional to 8,104.36, 11,187.06 and 5,310.04

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Solution

The fourth proportional to 8,104.36, 11,187.06 and 5,310.04 is: 7,329.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.36 : 11,187.06 = 5,310.04 : x
  2. Step 2: Convert to fraction form
    8,104.36/11,187.06 = 5,310.04/x
  3. Step 3: Cross multiply
    8,104.36x = 11,187.06 × 5,310.04
  4. Step 4: Simplify right side
    8,104.36x = 59,403,736.08
  5. Step 5: Solve for x
    x = 59,403,736.08/8,104.36
  6. Step 6: Final answer
    x = 7,329.85

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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.