Home / 6,823.38-10,221.69-3,538.62

Finding the Fourth Proportional to 6,823.38, 10,221.69 and 3,538.62

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Solution

The fourth proportional to 6,823.38, 10,221.69 and 3,538.62 is: 5,300.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.38 : 10,221.69 = 3,538.62 : x
  2. Step 2: Convert to fraction form
    6,823.38/10,221.69 = 3,538.62/x
  3. Step 3: Cross multiply
    6,823.38x = 10,221.69 × 3,538.62
  4. Step 4: Simplify right side
    6,823.38x = 36,170,676.67
  5. Step 5: Solve for x
    x = 36,170,676.67/6,823.38
  6. Step 6: Final answer
    x = 5,300.99

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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.