Home / 7,107.32-10,660.98-2,666

Finding the Fourth Proportional to 7,107.32, 10,660.98 and 2,666

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Solution

The fourth proportional to 7,107.32, 10,660.98 and 2,666 is: 3,999

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.32 : 10,660.98 = 2,666 : x
  2. Step 2: Convert to fraction form
    7,107.32/10,660.98 = 2,666/x
  3. Step 3: Cross multiply
    7,107.32x = 10,660.98 × 2,666
  4. Step 4: Simplify right side
    7,107.32x = 28,422,172.68
  5. Step 5: Solve for x
    x = 28,422,172.68/7,107.32
  6. Step 6: Final answer
    x = 3,999

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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.