Home / 7,816.38-11,725.88-2,549.90

Finding the Fourth Proportional to 7,816.38, 11,725.88 and 2,549.90

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Solution

The fourth proportional to 7,816.38, 11,725.88 and 2,549.90 is: 3,825.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.38 : 11,725.88 = 2,549.90 : x
  2. Step 2: Convert to fraction form
    7,816.38/11,725.88 = 2,549.90/x
  3. Step 3: Cross multiply
    7,816.38x = 11,725.88 × 2,549.90
  4. Step 4: Simplify right side
    7,816.38x = 29,899,821.41
  5. Step 5: Solve for x
    x = 29,899,821.41/7,816.38
  6. Step 6: Final answer
    x = 3,825.28

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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.