Home / 8,382.24-12,575.70-2,538.90

Finding the Fourth Proportional to 8,382.24, 12,575.70 and 2,538.90

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Solution

The fourth proportional to 8,382.24, 12,575.70 and 2,538.90 is: 3,809.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.24 : 12,575.70 = 2,538.90 : x
  2. Step 2: Convert to fraction form
    8,382.24/12,575.70 = 2,538.90/x
  3. Step 3: Cross multiply
    8,382.24x = 12,575.70 × 2,538.90
  4. Step 4: Simplify right side
    8,382.24x = 31,928,444.73
  5. Step 5: Solve for x
    x = 31,928,444.73/8,382.24
  6. Step 6: Final answer
    x = 3,809.06

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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.