Home / 8,172.92-11,272.44-5,659.24

Finding the Fourth Proportional to 8,172.92, 11,272.44 and 5,659.24

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Solution

The fourth proportional to 8,172.92, 11,272.44 and 5,659.24 is: 7,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.92 : 11,272.44 = 5,659.24 : x
  2. Step 2: Convert to fraction form
    8,172.92/11,272.44 = 5,659.24/x
  3. Step 3: Cross multiply
    8,172.92x = 11,272.44 × 5,659.24
  4. Step 4: Simplify right side
    8,172.92x = 63,793,443.35
  5. Step 5: Solve for x
    x = 63,793,443.35/8,172.92
  6. Step 6: Final answer
    x = 7,805.47

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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.