Home / 8,101.66-12,156.20-3,660.52

Finding the Fourth Proportional to 8,101.66, 12,156.20 and 3,660.52

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Solution

The fourth proportional to 8,101.66, 12,156.20 and 3,660.52 is: 5,492.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.66 : 12,156.20 = 3,660.52 : x
  2. Step 2: Convert to fraction form
    8,101.66/12,156.20 = 3,660.52/x
  3. Step 3: Cross multiply
    8,101.66x = 12,156.20 × 3,660.52
  4. Step 4: Simplify right side
    8,101.66x = 44,498,013.22
  5. Step 5: Solve for x
    x = 44,498,013.22/8,101.66
  6. Step 6: Final answer
    x = 5,492.46

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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.