Home / 8,320.72-12,481.26-2,477.44

Finding the Fourth Proportional to 8,320.72, 12,481.26 and 2,477.44

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Solution

The fourth proportional to 8,320.72, 12,481.26 and 2,477.44 is: 3,716.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.72 : 12,481.26 = 2,477.44 : x
  2. Step 2: Convert to fraction form
    8,320.72/12,481.26 = 2,477.44/x
  3. Step 3: Cross multiply
    8,320.72x = 12,481.26 × 2,477.44
  4. Step 4: Simplify right side
    8,320.72x = 30,921,572.77
  5. Step 5: Solve for x
    x = 30,921,572.77/8,320.72
  6. Step 6: Final answer
    x = 3,716.21

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1.5x scale

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.