Home / 6,891.99-10,337.79-2,211.96

Finding the Fourth Proportional to 6,891.99, 10,337.79 and 2,211.96

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Solution

The fourth proportional to 6,891.99, 10,337.79 and 2,211.96 is: 3,317.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.99 : 10,337.79 = 2,211.96 : x
  2. Step 2: Convert to fraction form
    6,891.99/10,337.79 = 2,211.96/x
  3. Step 3: Cross multiply
    6,891.99x = 10,337.79 × 2,211.96
  4. Step 4: Simplify right side
    6,891.99x = 22,866,793.66
  5. Step 5: Solve for x
    x = 22,866,793.66/6,891.99
  6. Step 6: Final answer
    x = 3,317.88

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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.