Home / 6,818.62-10,230.36-3,899.38

Finding the Fourth Proportional to 6,818.62, 10,230.36 and 3,899.38

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Solution

The fourth proportional to 6,818.62, 10,230.36 and 3,899.38 is: 5,850.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.62 : 10,230.36 = 3,899.38 : x
  2. Step 2: Convert to fraction form
    6,818.62/10,230.36 = 3,899.38/x
  3. Step 3: Cross multiply
    6,818.62x = 10,230.36 × 3,899.38
  4. Step 4: Simplify right side
    6,818.62x = 39,892,061.18
  5. Step 5: Solve for x
    x = 39,892,061.18/6,818.62
  6. Step 6: Final answer
    x = 5,850.46

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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.