Home / 8,515.45-12,773.99-3,584.17

Finding the Fourth Proportional to 8,515.45, 12,773.99 and 3,584.17

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Solution

The fourth proportional to 8,515.45, 12,773.99 and 3,584.17 is: 5,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.45 : 12,773.99 = 3,584.17 : x
  2. Step 2: Convert to fraction form
    8,515.45/12,773.99 = 3,584.17/x
  3. Step 3: Cross multiply
    8,515.45x = 12,773.99 × 3,584.17
  4. Step 4: Simplify right side
    8,515.45x = 45,784,151.74
  5. Step 5: Solve for x
    x = 45,784,151.74/8,515.45
  6. Step 6: Final answer
    x = 5,376.60

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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.