Home / 6,823.90-10,217.62-3,898.18

Finding the Fourth Proportional to 6,823.90, 10,217.62 and 3,898.18

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Solution

The fourth proportional to 6,823.90, 10,217.62 and 3,898.18 is: 5,836.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.90 : 10,217.62 = 3,898.18 : x
  2. Step 2: Convert to fraction form
    6,823.90/10,217.62 = 3,898.18/x
  3. Step 3: Cross multiply
    6,823.90x = 10,217.62 × 3,898.18
  4. Step 4: Simplify right side
    6,823.90x = 39,830,121.93
  5. Step 5: Solve for x
    x = 39,830,121.93/6,823.90
  6. Step 6: Final answer
    x = 5,836.86

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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.