Home / 8,098.08-12,145.20-3,712.80

Finding the Fourth Proportional to 8,098.08, 12,145.20 and 3,712.80

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Solution

The fourth proportional to 8,098.08, 12,145.20 and 3,712.80 is: 5,568.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,098.08 : 12,145.20 = 3,712.80 : x
  2. Step 2: Convert to fraction form
    8,098.08/12,145.20 = 3,712.80/x
  3. Step 3: Cross multiply
    8,098.08x = 12,145.20 × 3,712.80
  4. Step 4: Simplify right side
    8,098.08x = 45,092,698.56
  5. Step 5: Solve for x
    x = 45,092,698.56/8,098.08
  6. Step 6: Final answer
    x = 5,568.32

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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.