Home / 8,322.12-11,481.57-5,339.61

Finding the Fourth Proportional to 8,322.12, 11,481.57 and 5,339.61

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Solution

The fourth proportional to 8,322.12, 11,481.57 and 5,339.61 is: 7,366.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.12 : 11,481.57 = 5,339.61 : x
  2. Step 2: Convert to fraction form
    8,322.12/11,481.57 = 5,339.61/x
  3. Step 3: Cross multiply
    8,322.12x = 11,481.57 × 5,339.61
  4. Step 4: Simplify right side
    8,322.12x = 61,307,105.99
  5. Step 5: Solve for x
    x = 61,307,105.99/8,322.12
  6. Step 6: Final answer
    x = 7,366.77

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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.