Home / 8,346.97-12,520.37-2,106.86

Finding the Fourth Proportional to 8,346.97, 12,520.37 and 2,106.86

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Solution

The fourth proportional to 8,346.97, 12,520.37 and 2,106.86 is: 3,160.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.97 : 12,520.37 = 2,106.86 : x
  2. Step 2: Convert to fraction form
    8,346.97/12,520.37 = 2,106.86/x
  3. Step 3: Cross multiply
    8,346.97x = 12,520.37 × 2,106.86
  4. Step 4: Simplify right side
    8,346.97x = 26,378,609.40
  5. Step 5: Solve for x
    x = 26,378,609.40/8,346.97
  6. Step 6: Final answer
    x = 3,160.26

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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.