Home / 7,780.08-11,665.96-2,584.08

Finding the Fourth Proportional to 7,780.08, 11,665.96 and 2,584.08

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Solution

The fourth proportional to 7,780.08, 11,665.96 and 2,584.08 is: 3,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780.08 : 11,665.96 = 2,584.08 : x
  2. Step 2: Convert to fraction form
    7,780.08/11,665.96 = 2,584.08/x
  3. Step 3: Cross multiply
    7,780.08x = 11,665.96 × 2,584.08
  4. Step 4: Simplify right side
    7,780.08x = 30,145,773.92
  5. Step 5: Solve for x
    x = 30,145,773.92/7,780.08
  6. Step 6: Final answer
    x = 3,874.74

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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.