Home / 8,060.20-12,074.10-5,435.80

Finding the Fourth Proportional to 8,060.20, 12,074.10 and 5,435.80

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Solution

The fourth proportional to 8,060.20, 12,074.10 and 5,435.80 is: 8,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,060.20 : 12,074.10 = 5,435.80 : x
  2. Step 2: Convert to fraction form
    8,060.20/12,074.10 = 5,435.80/x
  3. Step 3: Cross multiply
    8,060.20x = 12,074.10 × 5,435.80
  4. Step 4: Simplify right side
    8,060.20x = 65,632,392.78
  5. Step 5: Solve for x
    x = 65,632,392.78/8,060.20
  6. Step 6: Final answer
    x = 8,142.77

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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.