Home / 7,428.36-11,143.50-2,234.76

Finding the Fourth Proportional to 7,428.36, 11,143.50 and 2,234.76

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Solution

The fourth proportional to 7,428.36, 11,143.50 and 2,234.76 is: 3,352.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.36 : 11,143.50 = 2,234.76 : x
  2. Step 2: Convert to fraction form
    7,428.36/11,143.50 = 2,234.76/x
  3. Step 3: Cross multiply
    7,428.36x = 11,143.50 × 2,234.76
  4. Step 4: Simplify right side
    7,428.36x = 24,903,048.06
  5. Step 5: Solve for x
    x = 24,903,048.06/7,428.36
  6. Step 6: Final answer
    x = 3,352.43

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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.