Home / 8,110.02-12,160.16-3,173.78

Finding the Fourth Proportional to 8,110.02, 12,160.16 and 3,173.78

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Solution

The fourth proportional to 8,110.02, 12,160.16 and 3,173.78 is: 4,758.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.02 : 12,160.16 = 3,173.78 : x
  2. Step 2: Convert to fraction form
    8,110.02/12,160.16 = 3,173.78/x
  3. Step 3: Cross multiply
    8,110.02x = 12,160.16 × 3,173.78
  4. Step 4: Simplify right side
    8,110.02x = 38,593,672.60
  5. Step 5: Solve for x
    x = 38,593,672.60/8,110.02
  6. Step 6: Final answer
    x = 4,758.76

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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.