Home / 8,756.30-13,136.07-2,834.75

Finding the Fourth Proportional to 8,756.30, 13,136.07 and 2,834.75

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Solution

The fourth proportional to 8,756.30, 13,136.07 and 2,834.75 is: 4,252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.30 : 13,136.07 = 2,834.75 : x
  2. Step 2: Convert to fraction form
    8,756.30/13,136.07 = 2,834.75/x
  3. Step 3: Cross multiply
    8,756.30x = 13,136.07 × 2,834.75
  4. Step 4: Simplify right side
    8,756.30x = 37,237,474.43
  5. Step 5: Solve for x
    x = 37,237,474.43/8,756.30
  6. Step 6: Final answer
    x = 4,252.65

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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.