Home / 8,192.81-12,289.25-2,998.69

Finding the Fourth Proportional to 8,192.81, 12,289.25 and 2,998.69

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Solution

The fourth proportional to 8,192.81, 12,289.25 and 2,998.69 is: 4,498.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,192.81 : 12,289.25 = 2,998.69 : x
  2. Step 2: Convert to fraction form
    8,192.81/12,289.25 = 2,998.69/x
  3. Step 3: Cross multiply
    8,192.81x = 12,289.25 × 2,998.69
  4. Step 4: Simplify right side
    8,192.81x = 36,851,627.86
  5. Step 5: Solve for x
    x = 36,851,627.86/8,192.81
  6. Step 6: Final answer
    x = 4,498.04

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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.