Home / 5,127.21-7,694.52-2,206.35

Finding the Fourth Proportional to 5,127.21, 7,694.52 and 2,206.35

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Solution

The fourth proportional to 5,127.21, 7,694.52 and 2,206.35 is: 3,311.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.21 : 7,694.52 = 2,206.35 : x
  2. Step 2: Convert to fraction form
    5,127.21/7,694.52 = 2,206.35/x
  3. Step 3: Cross multiply
    5,127.21x = 7,694.52 × 2,206.35
  4. Step 4: Simplify right side
    5,127.21x = 16,976,804.20
  5. Step 5: Solve for x
    x = 16,976,804.20/5,127.21
  6. Step 6: Final answer
    x = 3,311.12

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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.