Home / 7,544.31-11,311.49-3,378.62

Finding the Fourth Proportional to 7,544.31, 11,311.49 and 3,378.62

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Solution

The fourth proportional to 7,544.31, 11,311.49 and 3,378.62 is: 5,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,544.31 : 11,311.49 = 3,378.62 : x
  2. Step 2: Convert to fraction form
    7,544.31/11,311.49 = 3,378.62/x
  3. Step 3: Cross multiply
    7,544.31x = 11,311.49 × 3,378.62
  4. Step 4: Simplify right side
    7,544.31x = 38,217,152.89
  5. Step 5: Solve for x
    x = 38,217,152.89/7,544.31
  6. Step 6: Final answer
    x = 5,065.69

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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.