Home / 8,604.12-12,907.98-2,680.86

Finding the Fourth Proportional to 8,604.12, 12,907.98 and 2,680.86

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Solution

The fourth proportional to 8,604.12, 12,907.98 and 2,680.86 is: 4,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.12 : 12,907.98 = 2,680.86 : x
  2. Step 2: Convert to fraction form
    8,604.12/12,907.98 = 2,680.86/x
  3. Step 3: Cross multiply
    8,604.12x = 12,907.98 × 2,680.86
  4. Step 4: Simplify right side
    8,604.12x = 34,604,487.26
  5. Step 5: Solve for x
    x = 34,604,487.26/8,604.12
  6. Step 6: Final answer
    x = 4,021.85

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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.