Home / 8,320.68-12,481.44-2,477.34

Finding the Fourth Proportional to 8,320.68, 12,481.44 and 2,477.34

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Solution

The fourth proportional to 8,320.68, 12,481.44 and 2,477.34 is: 3,716.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.68 : 12,481.44 = 2,477.34 : x
  2. Step 2: Convert to fraction form
    8,320.68/12,481.44 = 2,477.34/x
  3. Step 3: Cross multiply
    8,320.68x = 12,481.44 × 2,477.34
  4. Step 4: Simplify right side
    8,320.68x = 30,920,770.57
  5. Step 5: Solve for x
    x = 30,920,770.57/8,320.68
  6. Step 6: Final answer
    x = 3,716.14

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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.