Home / 8,209.10-12,310.05-3,277.10

Finding the Fourth Proportional to 8,209.10, 12,310.05 and 3,277.10

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Solution

The fourth proportional to 8,209.10, 12,310.05 and 3,277.10 is: 4,914.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.10 : 12,310.05 = 3,277.10 : x
  2. Step 2: Convert to fraction form
    8,209.10/12,310.05 = 3,277.10/x
  3. Step 3: Cross multiply
    8,209.10x = 12,310.05 × 3,277.10
  4. Step 4: Simplify right side
    8,209.10x = 40,341,264.86
  5. Step 5: Solve for x
    x = 40,341,264.86/8,209.10
  6. Step 6: Final answer
    x = 4,914.21

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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.