Home / 6,885.39-10,327.84-2,205.69

Finding the Fourth Proportional to 6,885.39, 10,327.84 and 2,205.69

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Solution

The fourth proportional to 6,885.39, 10,327.84 and 2,205.69 is: 3,308.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.39 : 10,327.84 = 2,205.69 : x
  2. Step 2: Convert to fraction form
    6,885.39/10,327.84 = 2,205.69/x
  3. Step 3: Cross multiply
    6,885.39x = 10,327.84 × 2,205.69
  4. Step 4: Simplify right side
    6,885.39x = 22,780,013.41
  5. Step 5: Solve for x
    x = 22,780,013.41/6,885.39
  6. Step 6: Final answer
    x = 3,308.46

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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.