Home / 7,669.08-11,493.90-3,281.72

Finding the Fourth Proportional to 7,669.08, 11,493.90 and 3,281.72

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Solution

The fourth proportional to 7,669.08, 11,493.90 and 3,281.72 is: 4,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.08 : 11,493.90 = 3,281.72 : x
  2. Step 2: Convert to fraction form
    7,669.08/11,493.90 = 3,281.72/x
  3. Step 3: Cross multiply
    7,669.08x = 11,493.90 × 3,281.72
  4. Step 4: Simplify right side
    7,669.08x = 37,719,704.04
  5. Step 5: Solve for x
    x = 37,719,704.04/7,669.08
  6. Step 6: Final answer
    x = 4,918.41

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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.