Home / 7,619.50-11,429.48-2,425.38

Finding the Fourth Proportional to 7,619.50, 11,429.48 and 2,425.38

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Solution

The fourth proportional to 7,619.50, 11,429.48 and 2,425.38 is: 3,638.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.50 : 11,429.48 = 2,425.38 : x
  2. Step 2: Convert to fraction form
    7,619.50/11,429.48 = 2,425.38/x
  3. Step 3: Cross multiply
    7,619.50x = 11,429.48 × 2,425.38
  4. Step 4: Simplify right side
    7,619.50x = 27,720,832.20
  5. Step 5: Solve for x
    x = 27,720,832.20/7,619.50
  6. Step 6: Final answer
    x = 3,638.14

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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.