Home / 6,515.91-9,772.79-2,133.41

Finding the Fourth Proportional to 6,515.91, 9,772.79 and 2,133.41

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Solution

The fourth proportional to 6,515.91, 9,772.79 and 2,133.41 is: 3,199.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.91 : 9,772.79 = 2,133.41 : x
  2. Step 2: Convert to fraction form
    6,515.91/9,772.79 = 2,133.41/x
  3. Step 3: Cross multiply
    6,515.91x = 9,772.79 × 2,133.41
  4. Step 4: Simplify right side
    6,515.91x = 20,849,308.38
  5. Step 5: Solve for x
    x = 20,849,308.38/6,515.91
  6. Step 6: Final answer
    x = 3,199.75

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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.