Home / 6,515.30-9,772.97-2,133.18

Finding the Fourth Proportional to 6,515.30, 9,772.97 and 2,133.18

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Solution

The fourth proportional to 6,515.30, 9,772.97 and 2,133.18 is: 3,199.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.30 : 9,772.97 = 2,133.18 : x
  2. Step 2: Convert to fraction form
    6,515.30/9,772.97 = 2,133.18/x
  3. Step 3: Cross multiply
    6,515.30x = 9,772.97 × 2,133.18
  4. Step 4: Simplify right side
    6,515.30x = 20,847,504.14
  5. Step 5: Solve for x
    x = 20,847,504.14/6,515.30
  6. Step 6: Final answer
    x = 3,199.78

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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.