Home / 8,104.35-12,159.77-2,910.63

Finding the Fourth Proportional to 8,104.35, 12,159.77 and 2,910.63

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Solution

The fourth proportional to 8,104.35, 12,159.77 and 2,910.63 is: 4,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.35 : 12,159.77 = 2,910.63 : x
  2. Step 2: Convert to fraction form
    8,104.35/12,159.77 = 2,910.63/x
  3. Step 3: Cross multiply
    8,104.35x = 12,159.77 × 2,910.63
  4. Step 4: Simplify right side
    8,104.35x = 35,392,638.77
  5. Step 5: Solve for x
    x = 35,392,638.77/8,104.35
  6. Step 6: Final answer
    x = 4,367.11

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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.