Home / 8,355.09-12,534.22-3,357.85

Finding the Fourth Proportional to 8,355.09, 12,534.22 and 3,357.85

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Solution

The fourth proportional to 8,355.09, 12,534.22 and 3,357.85 is: 5,037.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.09 : 12,534.22 = 3,357.85 : x
  2. Step 2: Convert to fraction form
    8,355.09/12,534.22 = 3,357.85/x
  3. Step 3: Cross multiply
    8,355.09x = 12,534.22 × 3,357.85
  4. Step 4: Simplify right side
    8,355.09x = 42,088,037.90
  5. Step 5: Solve for x
    x = 42,088,037.90/8,355.09
  6. Step 6: Final answer
    x = 5,037.41

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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.