Home / 7,619.27-11,428.70-3,002.27

Finding the Fourth Proportional to 7,619.27, 11,428.70 and 3,002.27

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Solution

The fourth proportional to 7,619.27, 11,428.70 and 3,002.27 is: 4,503.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.27 : 11,428.70 = 3,002.27 : x
  2. Step 2: Convert to fraction form
    7,619.27/11,428.70 = 3,002.27/x
  3. Step 3: Cross multiply
    7,619.27x = 11,428.70 × 3,002.27
  4. Step 4: Simplify right side
    7,619.27x = 34,311,970.99
  5. Step 5: Solve for x
    x = 34,311,970.99/7,619.27
  6. Step 6: Final answer
    x = 4,503.32

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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.