Home / 8,105.24-12,151.02-4,197.80

Finding the Fourth Proportional to 8,105.24, 12,151.02 and 4,197.80

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Solution

The fourth proportional to 8,105.24, 12,151.02 and 4,197.80 is: 6,293.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.24 : 12,151.02 = 4,197.80 : x
  2. Step 2: Convert to fraction form
    8,105.24/12,151.02 = 4,197.80/x
  3. Step 3: Cross multiply
    8,105.24x = 12,151.02 × 4,197.80
  4. Step 4: Simplify right side
    8,105.24x = 51,007,551.76
  5. Step 5: Solve for x
    x = 51,007,551.76/8,105.24
  6. Step 6: Final answer
    x = 6,293.16

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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.