Home / 7,669.56-11,508.78-3,226.89

Finding the Fourth Proportional to 7,669.56, 11,508.78 and 3,226.89

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Solution

The fourth proportional to 7,669.56, 11,508.78 and 3,226.89 is: 4,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.56 : 11,508.78 = 3,226.89 : x
  2. Step 2: Convert to fraction form
    7,669.56/11,508.78 = 3,226.89/x
  3. Step 3: Cross multiply
    7,669.56x = 11,508.78 × 3,226.89
  4. Step 4: Simplify right side
    7,669.56x = 37,137,567.09
  5. Step 5: Solve for x
    x = 37,137,567.09/7,669.56
  6. Step 6: Final answer
    x = 4,842.20

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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.