Home / 6,780.55-10,170.89-3,269.74

Finding the Fourth Proportional to 6,780.55, 10,170.89 and 3,269.74

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Solution

The fourth proportional to 6,780.55, 10,170.89 and 3,269.74 is: 4,904.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.55 : 10,170.89 = 3,269.74 : x
  2. Step 2: Convert to fraction form
    6,780.55/10,170.89 = 3,269.74/x
  3. Step 3: Cross multiply
    6,780.55x = 10,170.89 × 3,269.74
  4. Step 4: Simplify right side
    6,780.55x = 33,256,098.67
  5. Step 5: Solve for x
    x = 33,256,098.67/6,780.55
  6. Step 6: Final answer
    x = 4,904.64

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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.