Home / 8,849.20-13,269.44-5,152.72

Finding the Fourth Proportional to 8,849.20, 13,269.44 and 5,152.72

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Solution

The fourth proportional to 8,849.20, 13,269.44 and 5,152.72 is: 7,726.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.20 : 13,269.44 = 5,152.72 : x
  2. Step 2: Convert to fraction form
    8,849.20/13,269.44 = 5,152.72/x
  3. Step 3: Cross multiply
    8,849.20x = 13,269.44 × 5,152.72
  4. Step 4: Simplify right side
    8,849.20x = 68,373,708.88
  5. Step 5: Solve for x
    x = 68,373,708.88/8,849.20
  6. Step 6: Final answer
    x = 7,726.54

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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.