Home / 8,117.26-12,166.65-3,434.34

Finding the Fourth Proportional to 8,117.26, 12,166.65 and 3,434.34

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Solution

The fourth proportional to 8,117.26, 12,166.65 and 3,434.34 is: 5,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.26 : 12,166.65 = 3,434.34 : x
  2. Step 2: Convert to fraction form
    8,117.26/12,166.65 = 3,434.34/x
  3. Step 3: Cross multiply
    8,117.26x = 12,166.65 × 3,434.34
  4. Step 4: Simplify right side
    8,117.26x = 41,784,458.39
  5. Step 5: Solve for x
    x = 41,784,458.39/8,117.26
  6. Step 6: Final answer
    x = 5,147.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.