Home / 8,382.38-12,577.01-3,699.90

Finding the Fourth Proportional to 8,382.38, 12,577.01 and 3,699.90

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Solution

The fourth proportional to 8,382.38, 12,577.01 and 3,699.90 is: 5,551.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.38 : 12,577.01 = 3,699.90 : x
  2. Step 2: Convert to fraction form
    8,382.38/12,577.01 = 3,699.90/x
  3. Step 3: Cross multiply
    8,382.38x = 12,577.01 × 3,699.90
  4. Step 4: Simplify right side
    8,382.38x = 46,533,660.80
  5. Step 5: Solve for x
    x = 46,533,660.80/8,382.38
  6. Step 6: Final answer
    x = 5,551.37

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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.