Home / 8,169.60-11,272.92-5,025.36

Finding the Fourth Proportional to 8,169.60, 11,272.92 and 5,025.36

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Solution

The fourth proportional to 8,169.60, 11,272.92 and 5,025.36 is: 6,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.60 : 11,272.92 = 5,025.36 : x
  2. Step 2: Convert to fraction form
    8,169.60/11,272.92 = 5,025.36/x
  3. Step 3: Cross multiply
    8,169.60x = 11,272.92 × 5,025.36
  4. Step 4: Simplify right side
    8,169.60x = 56,650,481.25
  5. Step 5: Solve for x
    x = 56,650,481.25/8,169.60
  6. Step 6: Final answer
    x = 6,934.30

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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.