Home / 7,760.30-11,641.50-2,493.56

Finding the Fourth Proportional to 7,760.30, 11,641.50 and 2,493.56

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Solution

The fourth proportional to 7,760.30, 11,641.50 and 2,493.56 is: 3,740.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.30 : 11,641.50 = 2,493.56 : x
  2. Step 2: Convert to fraction form
    7,760.30/11,641.50 = 2,493.56/x
  3. Step 3: Cross multiply
    7,760.30x = 11,641.50 × 2,493.56
  4. Step 4: Simplify right side
    7,760.30x = 29,028,720.53
  5. Step 5: Solve for x
    x = 29,028,720.53/7,760.30
  6. Step 6: Final answer
    x = 3,740.67

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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.