Home / 8,218.92-12,330.48-2,375.58

Finding the Fourth Proportional to 8,218.92, 12,330.48 and 2,375.58

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Solution

The fourth proportional to 8,218.92, 12,330.48 and 2,375.58 is: 3,563.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.92 : 12,330.48 = 2,375.58 : x
  2. Step 2: Convert to fraction form
    8,218.92/12,330.48 = 2,375.58/x
  3. Step 3: Cross multiply
    8,218.92x = 12,330.48 × 2,375.58
  4. Step 4: Simplify right side
    8,218.92x = 29,292,041.68
  5. Step 5: Solve for x
    x = 29,292,041.68/8,218.92
  6. Step 6: Final answer
    x = 3,563.98

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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.