Home / 7,438.20-11,149.52-2,506.14

Finding the Fourth Proportional to 7,438.20, 11,149.52 and 2,506.14

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Solution

The fourth proportional to 7,438.20, 11,149.52 and 2,506.14 is: 3,756.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.20 : 11,149.52 = 2,506.14 : x
  2. Step 2: Convert to fraction form
    7,438.20/11,149.52 = 2,506.14/x
  3. Step 3: Cross multiply
    7,438.20x = 11,149.52 × 2,506.14
  4. Step 4: Simplify right side
    7,438.20x = 27,942,189.77
  5. Step 5: Solve for x
    x = 27,942,189.77/7,438.20
  6. Step 6: Final answer
    x = 3,756.58

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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.