Home / 8,310.29-12,448.97-6,850.40

Finding the Fourth Proportional to 8,310.29, 12,448.97 and 6,850.40

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Solution

The fourth proportional to 8,310.29, 12,448.97 and 6,850.40 is: 10,262.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.29 : 12,448.97 = 6,850.40 : x
  2. Step 2: Convert to fraction form
    8,310.29/12,448.97 = 6,850.40/x
  3. Step 3: Cross multiply
    8,310.29x = 12,448.97 × 6,850.40
  4. Step 4: Simplify right side
    8,310.29x = 85,280,389.84
  5. Step 5: Solve for x
    x = 85,280,389.84/8,310.29
  6. Step 6: Final answer
    x = 10,262.02

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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.