Home / 8,382.96-12,575.52-2,538.54

Finding the Fourth Proportional to 8,382.96, 12,575.52 and 2,538.54

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Solution

The fourth proportional to 8,382.96, 12,575.52 and 2,538.54 is: 3,808.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.96 : 12,575.52 = 2,538.54 : x
  2. Step 2: Convert to fraction form
    8,382.96/12,575.52 = 2,538.54/x
  3. Step 3: Cross multiply
    8,382.96x = 12,575.52 × 2,538.54
  4. Step 4: Simplify right side
    8,382.96x = 31,923,460.54
  5. Step 5: Solve for x
    x = 31,923,460.54/8,382.96
  6. Step 6: Final answer
    x = 3,808.14

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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.