Home / 6,346.80-9,520.84-2,186.26

Finding the Fourth Proportional to 6,346.80, 9,520.84 and 2,186.26

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Solution

The fourth proportional to 6,346.80, 9,520.84 and 2,186.26 is: 3,279.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,346.80 : 9,520.84 = 2,186.26 : x
  2. Step 2: Convert to fraction form
    6,346.80/9,520.84 = 2,186.26/x
  3. Step 3: Cross multiply
    6,346.80x = 9,520.84 × 2,186.26
  4. Step 4: Simplify right side
    6,346.80x = 20,815,031.66
  5. Step 5: Solve for x
    x = 20,815,031.66/6,346.80
  6. Step 6: Final answer
    x = 3,279.61

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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.