Home / 5,186.21-7,760.17-3,107.68

Finding the Fourth Proportional to 5,186.21, 7,760.17 and 3,107.68

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Solution

The fourth proportional to 5,186.21, 7,760.17 and 3,107.68 is: 4,650.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.21 : 7,760.17 = 3,107.68 : x
  2. Step 2: Convert to fraction form
    5,186.21/7,760.17 = 3,107.68/x
  3. Step 3: Cross multiply
    5,186.21x = 7,760.17 × 3,107.68
  4. Step 4: Simplify right side
    5,186.21x = 24,116,070.77
  5. Step 5: Solve for x
    x = 24,116,070.77/5,186.21
  6. Step 6: Final answer
    x = 4,650.04

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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.