Home / 8,748.06-13,120.87-2,508.61

Finding the Fourth Proportional to 8,748.06, 13,120.87 and 2,508.61

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Solution

The fourth proportional to 8,748.06, 13,120.87 and 2,508.61 is: 3,762.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.06 : 13,120.87 = 2,508.61 : x
  2. Step 2: Convert to fraction form
    8,748.06/13,120.87 = 2,508.61/x
  3. Step 3: Cross multiply
    8,748.06x = 13,120.87 × 2,508.61
  4. Step 4: Simplify right side
    8,748.06x = 32,915,145.69
  5. Step 5: Solve for x
    x = 32,915,145.69/8,748.06
  6. Step 6: Final answer
    x = 3,762.57

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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.