Home / 6,859.20-10,286.74-2,179.02

Finding the Fourth Proportional to 6,859.20, 10,286.74 and 2,179.02

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Solution

The fourth proportional to 6,859.20, 10,286.74 and 2,179.02 is: 3,267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.20 : 10,286.74 = 2,179.02 : x
  2. Step 2: Convert to fraction form
    6,859.20/10,286.74 = 2,179.02/x
  3. Step 3: Cross multiply
    6,859.20x = 10,286.74 × 2,179.02
  4. Step 4: Simplify right side
    6,859.20x = 22,415,012.19
  5. Step 5: Solve for x
    x = 22,415,012.19/6,859.20
  6. Step 6: Final answer
    x = 3,267.88

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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.