Home / 8,849.08-12,222.57-6,620.86

Finding the Fourth Proportional to 8,849.08, 12,222.57 and 6,620.86

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Solution

The fourth proportional to 8,849.08, 12,222.57 and 6,620.86 is: 9,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.08 : 12,222.57 = 6,620.86 : x
  2. Step 2: Convert to fraction form
    8,849.08/12,222.57 = 6,620.86/x
  3. Step 3: Cross multiply
    8,849.08x = 12,222.57 × 6,620.86
  4. Step 4: Simplify right side
    8,849.08x = 80,923,924.81
  5. Step 5: Solve for x
    x = 80,923,924.81/8,849.08
  6. Step 6: Final answer
    x = 9,144.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.