Home / 8,748.57-13,121.61-2,509.11

Finding the Fourth Proportional to 8,748.57, 13,121.61 and 2,509.11

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Solution

The fourth proportional to 8,748.57, 13,121.61 and 2,509.11 is: 3,763.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.57 : 13,121.61 = 2,509.11 : x
  2. Step 2: Convert to fraction form
    8,748.57/13,121.61 = 2,509.11/x
  3. Step 3: Cross multiply
    8,748.57x = 13,121.61 × 2,509.11
  4. Step 4: Simplify right side
    8,748.57x = 32,923,562.87
  5. Step 5: Solve for x
    x = 32,923,562.87/8,748.57
  6. Step 6: Final answer
    x = 3,763.31

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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.