Home / 6,889.83-10,335.38-2,209.97

Finding the Fourth Proportional to 6,889.83, 10,335.38 and 2,209.97

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Solution

The fourth proportional to 6,889.83, 10,335.38 and 2,209.97 is: 3,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.83 : 10,335.38 = 2,209.97 : x
  2. Step 2: Convert to fraction form
    6,889.83/10,335.38 = 2,209.97/x
  3. Step 3: Cross multiply
    6,889.83x = 10,335.38 × 2,209.97
  4. Step 4: Simplify right side
    6,889.83x = 22,840,817.01
  5. Step 5: Solve for x
    x = 22,840,817.01/6,889.83
  6. Step 6: Final answer
    x = 3,315.15

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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.