Home / 8,103.13-11,179.59-6,608.45

Finding the Fourth Proportional to 8,103.13, 11,179.59 and 6,608.45

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Solution

The fourth proportional to 8,103.13, 11,179.59 and 6,608.45 is: 9,117.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.13 : 11,179.59 = 6,608.45 : x
  2. Step 2: Convert to fraction form
    8,103.13/11,179.59 = 6,608.45/x
  3. Step 3: Cross multiply
    8,103.13x = 11,179.59 × 6,608.45
  4. Step 4: Simplify right side
    8,103.13x = 73,879,761.54
  5. Step 5: Solve for x
    x = 73,879,761.54/8,103.13
  6. Step 6: Final answer
    x = 9,117.44

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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.