Home / 8,217.21-12,325.83-2,061.21

Finding the Fourth Proportional to 8,217.21, 12,325.83 and 2,061.21

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Solution

The fourth proportional to 8,217.21, 12,325.83 and 2,061.21 is: 3,091.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.21 : 12,325.83 = 2,061.21 : x
  2. Step 2: Convert to fraction form
    8,217.21/12,325.83 = 2,061.21/x
  3. Step 3: Cross multiply
    8,217.21x = 12,325.83 × 2,061.21
  4. Step 4: Simplify right side
    8,217.21x = 25,406,124.05
  5. Step 5: Solve for x
    x = 25,406,124.05/8,217.21
  6. Step 6: Final answer
    x = 3,091.82

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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.