Home / 7,758.45-11,631.15-3,372.62

Finding the Fourth Proportional to 7,758.45, 11,631.15 and 3,372.62

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Solution

The fourth proportional to 7,758.45, 11,631.15 and 3,372.62 is: 5,056.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.45 : 11,631.15 = 3,372.62 : x
  2. Step 2: Convert to fraction form
    7,758.45/11,631.15 = 3,372.62/x
  3. Step 3: Cross multiply
    7,758.45x = 11,631.15 × 3,372.62
  4. Step 4: Simplify right side
    7,758.45x = 39,227,390.96
  5. Step 5: Solve for x
    x = 39,227,390.96/7,758.45
  6. Step 6: Final answer
    x = 5,056.09

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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.