Home / 8,298.58-12,450.09-3,618.97

Finding the Fourth Proportional to 8,298.58, 12,450.09 and 3,618.97

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Solution

The fourth proportional to 8,298.58, 12,450.09 and 3,618.97 is: 5,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.58 : 12,450.09 = 3,618.97 : x
  2. Step 2: Convert to fraction form
    8,298.58/12,450.09 = 3,618.97/x
  3. Step 3: Cross multiply
    8,298.58x = 12,450.09 × 3,618.97
  4. Step 4: Simplify right side
    8,298.58x = 45,056,464.30
  5. Step 5: Solve for x
    x = 45,056,464.30/8,298.58
  6. Step 6: Final answer
    x = 5,429.42

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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.