Home / 8,199.13-12,299.24-2,355.79

Finding the Fourth Proportional to 8,199.13, 12,299.24 and 2,355.79

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Solution

The fourth proportional to 8,199.13, 12,299.24 and 2,355.79 is: 3,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.13 : 12,299.24 = 2,355.79 : x
  2. Step 2: Convert to fraction form
    8,199.13/12,299.24 = 2,355.79/x
  3. Step 3: Cross multiply
    8,199.13x = 12,299.24 × 2,355.79
  4. Step 4: Simplify right side
    8,199.13x = 28,974,426.60
  5. Step 5: Solve for x
    x = 28,974,426.60/8,199.13
  6. Step 6: Final answer
    x = 3,533.84

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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.