Home / 7,403.45-11,099.70-2,721.02

Finding the Fourth Proportional to 7,403.45, 11,099.70 and 2,721.02

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Solution

The fourth proportional to 7,403.45, 11,099.70 and 2,721.02 is: 4,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.45 : 11,099.70 = 2,721.02 : x
  2. Step 2: Convert to fraction form
    7,403.45/11,099.70 = 2,721.02/x
  3. Step 3: Cross multiply
    7,403.45x = 11,099.70 × 2,721.02
  4. Step 4: Simplify right side
    7,403.45x = 30,202,450.20
  5. Step 5: Solve for x
    x = 30,202,450.20/7,403.45
  6. Step 6: Final answer
    x = 4,079.51

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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.