Home / 6,513.80-9,772.58-2,617.97

Finding the Fourth Proportional to 6,513.80, 9,772.58 and 2,617.97

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Solution

The fourth proportional to 6,513.80, 9,772.58 and 2,617.97 is: 3,927.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.80 : 9,772.58 = 2,617.97 : x
  2. Step 2: Convert to fraction form
    6,513.80/9,772.58 = 2,617.97/x
  3. Step 3: Cross multiply
    6,513.80x = 9,772.58 × 2,617.97
  4. Step 4: Simplify right side
    6,513.80x = 25,584,278.94
  5. Step 5: Solve for x
    x = 25,584,278.94/6,513.80
  6. Step 6: Final answer
    x = 3,927.71

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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.